622 FOCA52 TJSJ 181950 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 350 PM AST Wed Aug 18 2021 PRZ001-190815- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 77 80 84 88 90 73 76 79 84 89 91 71 76 79 Temp 85 81 79 78 78 84 87 88 85 80 79 77 77 84 88 89 85 80 78 77 77 84 Dewpt 73 73 74 72 71 71 69 69 72 72 73 72 72 73 71 71 71 73 73 73 73 73 RH 67 77 85 82 79 65 55 54 65 77 82 85 85 70 57 56 63 79 85 87 87 70 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 8 8 6 6 8 12 13 12 9 9 9 8 10 13 14 12 9 8 8 6 10 Wind gust 19 19 Clouds SC FW FW FW FW FW SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 40 40 30 30 QPF 12hr 0.00-0.07 0.12-0.22 0.09 0.17 0.04-0.11 Rain shwrs SC IS IS IS IS SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC IS Tstms IS Heat index 92 85 81 89 91 93 90 84 90 94 95 90 84 90 Max heat 97 88 91 96 95 86 93 99 97 88 94 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 75 89 76 89 76 89 76 89 Temp 89 79 76 84 89 80 77 84 89 80 77 84 89 80 77 84 89 80 Dewpt 71 73 73 73 73 72 73 74 71 73 72 72 71 73 72 72 71 71 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC SC SC SC B1 B2 B1 B1 SC SC FW SC SC SC SC SC SC SC PoP 12hr 40 40 60 50 30 30 30 30 30 Rain shwrs IS SC SC SC SC SC SC SC SC IS IS SC SC SC SC IS SC SC Tstms IS IS IS IS IS IS IS $$ PRZ002-190815- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 77 81 75 86 89 67 78 82 75 87 90 68 76 80 Temp 84 80 79 78 78 83 85 86 84 80 79 78 79 84 86 87 84 79 78 77 77 82 Dewpt 73 74 73 72 71 72 70 71 72 73 72 72 72 73 72 72 72 73 73 73 73 74 RH 70 82 82 82 79 70 61 61 67 79 79 82 79 70 63 61 67 82 85 87 87 77 Wind dir E E E E E E E E E NE NE E E E E E E E E E E E Wind spd 12 10 10 10 9 11 13 13 12 11 12 12 12 13 14 14 12 11 11 11 10 12 Wind gust 20 20 20 21 24 24 24 24 21 20 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 40 30 30 QPF 12hr 0.08 0.12-0.22 0.09 0.18 0.11 Rain shwrs SC IS IS IS SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS Tstms IS Heat index 90 85 82 80 88 90 92 89 85 83 81 90 93 94 90 83 88 Max heat 98 90 93 97 96 91 94 99 99 89 94 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 75 86 76 87 76 87 76 87 Temp 86 79 76 82 86 79 77 83 87 80 77 83 87 80 77 83 87 80 Dewpt 72 73 73 73 73 72 74 73 72 73 72 73 72 72 72 71 71 71 PWind dir E E E E E E E E E Wind char GN GN BZ BZ BZ GN GN GN GN Avg clouds SC SC SC SC B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 60 50 30 30 30 30 30 Rain shwrs IS SC SC SC SC NM SC SC SC IS IS IS SC SC SC IS IS SC Tstms IS IS IS IS IS IS IS $$ PRZ003-190815- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 77 80 78 86 89 69 77 81 77 86 88 69 75 80 Temp 83 80 79 77 78 83 85 86 83 80 78 77 78 82 85 86 82 79 77 76 76 82 Dewpt 73 73 72 71 70 71 69 69 71 72 72 71 71 72 71 71 72 72 72 72 72 73 RH 72 79 79 82 76 67 59 57 67 77 82 82 79 72 63 61 72 79 85 87 87 74 Wind dir E E E E E NE E E E NE NE NE NE E E E E E E E E E Wind spd 13 10 11 10 9 11 13 14 13 11 11 11 10 13 14 14 12 11 10 11 10 12 Wind gust 21 20 Clouds FW SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 30 40 30 20 QPF 12hr 0.00-0.07 0.06-0.12 0.08 0.03-0.18 0.04-0.11 Rain shwrs IS IS IS IS IS IS SC SC IS IS SC SC SC SC IS IS IS IS IS IS IS Heat index 89 84 81 87 89 91 88 83 80 87 91 91 87 81 87 Max heat 98 89 92 95 96 90 93 98 97 87 92 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 75 86 75 87 76 87 76 87 Temp 86 78 76 81 86 79 76 83 87 80 77 83 87 80 77 83 87 80 Dewpt 72 72 72 73 72 71 73 72 70 71 71 71 70 72 70 71 70 70 PWind dir E E E NE E E E E E Wind char GN GN BZ GN BZ GN GN GN GN Avg clouds SC SC SC SC B1 B2 B1 B1 SC FW SC SC SC SC FW FW SC SC PoP 12hr 50 50 60 30 20 20 10 20 20 Rain shwrs IS SC SC SC SC NM SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS $$ PRZ004-190815- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 74 77 77 86 90 69 74 78 77 86 90 69 73 75 Temp 82 78 76 75 75 82 85 86 82 78 76 75 75 81 85 86 82 77 75 74 74 81 Dewpt 71 72 71 70 69 70 67 67 70 71 71 70 70 71 69 69 69 71 71 71 71 72 RH 69 82 85 84 82 67 55 53 67 79 85 84 84 72 59 57 65 82 87 90 90 74 Wind dir E E E E E E E E E NE NE NE E E E E E E E E E E Wind spd 11 6 8 6 5 8 12 12 11 8 8 8 6 10 13 13 11 8 8 8 6 10 Clouds SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 30 40 30 20 QPF 12hr 0.00-0.08 0.08-0.22 0.08 0.04-0.18 0.04-0.11 Rain shwrs IS IS IS IS IS IS SC SC SC IS SC SC SC SC SC SC IS IS IS IS IS Heat index 87 85 88 89 86 85 89 90 86 84 Max heat 96 84 90 94 94 84 90 96 95 90 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 72 86 73 87 73 87 73 87 Temp 86 77 73 80 86 77 74 81 87 78 74 82 87 78 74 82 87 78 Dewpt 69 71 71 72 71 70 72 72 69 71 70 71 69 71 70 70 69 69 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC SC SC SC B1 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 60 40 30 20 20 20 30 Rain shwrs IS IS SC SC SC NM SC SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS $$ PRZ005-190815- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 76 78 88 71 75 78 89 71 75 78 Temp 85 80 78 77 77 83 87 88 84 80 78 76 77 84 88 89 85 80 78 76 77 84 Dewpt 71 73 73 72 71 70 69 68 71 73 73 72 72 72 71 70 70 72 72 72 72 72 RH 63 79 85 85 82 65 55 52 65 79 85 87 85 67 57 54 61 77 82 87 85 67 Wind dir E E E E E E E NE E E E E E E E E E E E E E E Wind spd 13 9 6 6 5 8 12 14 13 10 10 10 8 10 13 14 13 9 8 8 6 9 Wind gust 24 20 26 25 24 26 25 Clouds SC FW CL FW CL CL SC SC SC B1 SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 40 40 20 10 QPF 12hr 0 0.12 0.07 0.02-0.18 0.04-0.11 Rain shwrs IS IS SC SC SC IS SC SC IS IS IS IS IS IS IS IS IS Tstms IS Heat index 91 85 88 91 92 89 82 90 94 95 89 83 90 Max heat 97 87 91 96 95 86 93 99 97 86 93 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 74 89 75 90 75 90 75 90 Temp 89 79 75 83 89 80 76 85 90 80 76 85 90 80 76 85 90 80 Dewpt 71 72 72 73 72 71 72 73 70 72 71 71 71 72 71 71 68 70 PWind dir E E E E E E E E E Wind char GN GN BZ GN GN GN GN LT GN Avg clouds SC SC FW FW SC SC B1 B1 SC FW FW FW SC SC SC SC SC SC PoP 12hr 20 20 40 40 30 20 20 20 20 Rain shwrs IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS $$ PRZ006-190815- Central Interior- Including the cities of Aibonito, Baranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 72 78 76 86 91 65 71 77 73 85 90 66 71 77 Temp 82 77 75 73 74 81 85 86 81 76 74 72 73 80 84 85 80 76 74 72 73 80 Dewpt 68 70 70 68 67 68 65 63 68 69 70 69 69 69 67 66 67 69 69 69 70 70 RH 63 79 84 84 79 65 51 46 65 79 87 90 87 69 57 53 65 79 84 90 90 72 Wind dir E E E E E E E E NE NE NE NE E E E E E E E E E E Wind spd 10 6 8 6 6 8 10 11 11 8 8 8 8 10 12 12 11 8 8 8 8 10 Clouds SC CL CL FW CL CL SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 30 30 30 10 QPF 12hr 0 0.06-0.14 0.03-0.08 0.02-0.17 0.04 Rain shwrs IS IS IS SC IS IS SC SC IS IS SC SC IS IS IS IS IS Heat index 84 83 87 87 84 82 86 87 83 82 Max heat 96 86 90 94 93 84 90 96 94 84 90 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 70 85 71 87 71 87 71 87 Temp 85 75 71 79 85 76 72 81 87 76 72 81 87 76 72 81 87 76 Dewpt 67 69 70 70 69 68 70 70 66 69 68 68 67 69 68 69 65 67 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC SC FW FW SC B1 SC SC SC FW FW FW SC SC FW FW SC SC PoP 12hr 30 10 50 20 20 10 20 20 20 Rain shwrs IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS $$ PRZ007-190815- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 75 79 76 87 90 65 74 78 72 85 88 66 74 78 Temp 84 79 77 76 76 82 86 87 83 78 76 75 75 81 84 85 82 78 76 75 75 80 Dewpt 71 71 71 69 68 67 67 67 70 71 70 70 70 70 69 69 70 71 70 70 70 70 RH 65 77 82 79 76 61 53 52 65 79 82 84 84 69 61 59 67 79 82 84 84 72 Wind dir E E E NE NE E E E E NE NE NE NE E E E E E E E E E Wind spd 11 8 8 6 6 8 10 12 11 8 8 8 6 9 14 14 12 9 8 8 8 10 Wind gust 25 Clouds FW CL CL FW CL CL FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 30 20 10 10 QPF 12hr 0 0.05-0.13 0.04 0.02-0.18 0.04 Rain shwrs IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS Heat index 89 82 85 90 91 88 80 84 89 90 86 84 Max heat 98 87 90 96 95 86 90 96 96 86 90 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 73 84 74 88 74 88 74 88 Temp 84 77 74 80 84 78 75 83 88 79 75 83 88 79 75 83 88 79 Dewpt 70 71 70 71 69 68 70 71 67 69 69 68 69 70 68 68 69 69 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN LT GN Avg clouds FW SC FW FW SC B1 SC SC FW FW FW FW FW SC FW FW SC SC PoP 12hr 10 10 40 10 10 10 10 20 20 Rain shwrs IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS $$ PRZ008-190815- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 75 79 83 86 89 71 75 79 84 88 90 71 75 80 Temp 84 80 78 76 76 82 85 86 83 79 77 76 76 83 87 88 84 79 77 76 76 83 Dewpt 72 74 72 72 70 70 69 69 71 73 72 72 72 72 70 71 70 72 71 71 71 71 RH 67 82 82 87 82 67 59 57 67 82 85 87 87 70 57 57 63 79 82 85 85 67 Wind dir E E E E E E E NE NE E E E E E E E E E E E E E Wind spd 13 12 9 8 6 10 12 16 14 12 12 13 11 12 14 14 13 10 10 10 9 10 Wind gust 25 24 19 26 25 25 24 25 21 26 25 20 20 Clouds SC FW CL FW CL CL SC SC SC B1 SC FW FW SC SC SC SC FW FW FW FW FW PoP 12hr 5 40 40 30 10 QPF 12hr 0 0.10-0.15 0.05 0.03-0.23 0.04 Rain shwrs IS IS IS SC SC IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS Heat index 90 82 86 89 90 88 80 88 92 93 88 81 88 Max heat 98 87 88 93 93 87 93 97 97 88 92 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 87 75 89 75 89 75 89 Temp 87 79 75 82 87 79 76 84 89 80 76 84 89 80 76 84 89 80 Dewpt 70 72 71 72 70 69 72 73 69 72 71 71 71 72 71 70 69 71 PWind dir E E E E E E E E E Wind char GN GN BZ GN BZ GN BZ GN GN Avg clouds SC SC FW FW SC B1 SC SC FW FW FW FW SC SC FW FW SC SC PoP 12hr 40 10 40 20 10 10 10 10 30 Rain shwrs SC SC IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS $$ PRZ009-190815- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 72 76 79 87 92 68 71 75 75 86 91 67 71 76 Temp 83 77 75 73 73 81 86 87 82 77 74 72 73 80 85 86 81 76 74 72 73 79 Dewpt 68 70 70 69 67 66 64 63 68 70 70 69 69 69 67 66 67 69 68 68 68 69 RH 61 79 84 87 81 60 48 45 63 79 87 90 87 69 55 51 63 79 82 87 84 72 Wind dir E E E E E E E E NE NE NE E E E E E E E E E E E Wind spd 6 6 6 5 5 6 8 8 8 8 8 8 6 8 10 10 8 6 6 6 6 8 Wind gust 20 23 19 Clouds B1 CL CL FW CL CL SC SC B1 SC SC FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 5 40 30 40 10 QPF 12hr 0 0.08-0.15 0.04 0.02-0.23 0.04 Rain shwrs SC IS SC SC SC IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS IS Heat index 87 83 87 88 85 83 88 88 84 81 Max heat 101 84 88 94 94 90 95 94 84 88 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 71 83 71 89 72 89 72 89 Temp 83 75 72 79 83 75 72 82 89 77 73 82 89 77 73 82 89 77 Dewpt 66 69 68 70 67 67 68 70 64 68 67 67 66 68 67 67 66 68 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN GN LT LT Avg clouds SC SC FW FW SC B1 SC SC FW SC FW FW SC SC FW FW SC SC PoP 12hr 40 10 50 10 20 10 30 10 20 Rain shwrs IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS $$ PRZ010-190815- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 76 82 81 85 88 71 76 81 79 85 89 71 76 82 Temp 85 80 79 77 77 82 85 85 83 79 78 77 77 82 85 85 83 79 78 77 77 82 Dewpt 72 73 73 72 71 70 68 69 71 73 72 72 71 71 70 71 71 72 71 70 70 71 RH 65 79 82 85 82 67 57 59 67 82 82 85 82 69 61 63 67 79 79 79 79 69 Wind dir E E E E E E E E NE E E E E E E E E E E E E E Wind spd 8 8 8 6 5 8 6 8 6 10 10 10 9 9 9 10 9 8 8 8 8 8 Wind gust 21 19 24 16 19 17 20 19 25 27 27 25 24 20 24 24 19 24 21 21 21 Clouds B1 FW CL FW CL CL SC SC B1 B1 SC FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 5 40 40 50 10 QPF 12hr 0 0.05-0.15 0.04 0.10-0.23 0.04 Rain shwrs NM IS SC SC SC IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS IS Heat index 91 84 80 86 88 90 87 80 86 89 91 87 81 86 Max heat 100 90 90 94 94 89 90 97 97 90 90 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 75 85 76 88 76 88 76 88 Temp 85 79 76 81 85 79 77 84 88 80 77 84 88 80 77 84 88 80 Dewpt 71 73 71 72 71 69 71 72 70 72 70 70 71 72 71 69 70 71 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN LT Avg clouds SC SC FW FW SC B1 SC SC FW SC FW FW SC SC FW FW SC SC PoP 12hr 40 10 50 10 20 10 40 10 40 Rain shwrs IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS $$ PRZ011-190815- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 86 76 85 77 Temp 85 81 80 79 79 83 86 86 83 80 78 77 77 82 84 85 82 80 79 77 78 82 Dewpt 74 74 73 72 71 70 69 71 71 73 72 71 71 71 72 73 73 74 72 71 70 71 RH 70 79 79 79 77 65 57 61 67 79 82 82 82 69 67 67 74 82 79 82 76 69 Wind dir E E E E E E E SE E E NE E NE E E SE E E E E E E Wind spd 11 9 8 8 6 6 9 11 8 6 5 5 5 8 16 18 14 12 9 9 8 9 Wind gust 19 24 29 25 24 19 19 Clouds FW CL CL FW CL CL FW SC B1 SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 30 10 10 10 QPF 12hr 0 0.05-0.14 0.03 0.02-0.18 0.04 Rain shwrs IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS Heat index 93 87 82 80 87 90 92 89 82 86 90 91 88 83 86 Max heat 98 89 88 95 94 86 88 93 93 86 88 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 77 85 77 89 78 89 78 89 Temp 85 79 77 82 85 80 77 85 89 82 79 85 89 82 79 85 89 82 Dewpt 73 74 71 72 73 69 70 72 71 72 70 70 73 73 70 68 72 71 PWind dir E E E E E E E E E Wind char BZ GN BZ GN BZ GN BZ GN GN Avg clouds FW SC FW FW SC SC SC SC FW FW FW FW SC SC FW FW FW SC PoP 12hr 10 10 20 10 10 10 10 10 10 Rain shwrs IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS $$ PRZ012-190815- Culebra- Including the city of Culebra 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 83 87 89 81 84 88 90 80 Temp 85 83 82 81 82 85 87 87 86 83 82 81 82 85 87 88 85 83 81 81 81 85 Dewpt 74 75 74 72 73 71 71 73 74 74 74 74 74 74 75 75 75 75 75 75 75 75 RH 70 77 77 74 74 63 59 63 68 74 77 79 77 70 68 66 72 77 82 82 82 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 18 19 19 19 16 19 16 17 18 20 21 21 20 20 18 18 17 18 18 19 18 19 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 40 30 30 QPF 12hr 0.10 0.20 0.08 0.04-0.13 0.09 Rain shwrs IS IS IS IS SC IS SC SC SC IS SC SC SC IS IS IS IS IS IS IS IS IS Heat index 93 90 88 85 86 90 92 95 93 90 89 87 88 93 97 97 93 90 88 86 86 93 Max heat 99 93 92 98 98 92 96 102 101 91 98 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 81 87 80 87 81 87 81 87 Temp 87 83 81 85 87 82 81 84 87 83 81 85 87 83 81 85 87 83 Dewpt 76 75 75 75 75 74 75 74 74 75 73 73 74 73 73 71 72 72 PWind dir E E E E E E E E E Wind char BZ BZ WY WY BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 B2 B2 B2 SC FW FW FW SC SC SC SC FW SC PoP 12hr 50 50 60 50 20 10 20 20 10 Rain shwrs IS SC SC SC SC NM SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS $$ PRZ013-190815- Vieques- Including the city of Vieques 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 83 87 89 82 84 88 90 80 Temp 86 83 82 81 82 85 87 87 85 84 83 82 83 86 88 88 85 82 81 80 81 85 Dewpt 74 75 73 72 72 72 71 73 73 74 74 73 73 74 75 74 74 75 75 74 74 75 RH 68 77 74 74 72 65 59 63 67 72 74 74 72 68 66 63 70 79 82 82 79 72 Wind dir E E E E E E E NE E NE NE E E E E E E E E E E E Wind spd 17 17 16 16 13 18 16 17 16 18 19 19 18 19 17 17 16 16 16 17 16 18 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 30 40 40 20 20 QPF 12hr 0.10 0.20 0.08 0.03-0.13 0.09 Rain shwrs IS IS IS IS SC IS SC SC SC IS SC SC SC IS IS IS IS IS IS IS IS IS Heat index 94 90 87 85 86 91 93 95 93 91 89 87 89 93 97 97 94 89 88 85 86 94 Max heat 99 92 93 98 98 92 96 102 101 91 96 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 80 88 80 88 81 88 81 88 Temp 88 82 80 85 88 82 80 85 88 83 81 85 88 83 81 85 88 83 Dewpt 75 75 74 74 74 74 75 75 74 74 73 73 73 73 73 70 71 72 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 B2 B2 B2 FW FW FW FW FW SC FW FW FW SC PoP 12hr 50 50 60 50 10 10 10 10 10 Rain shwrs IS SC SC SC SC NM SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS $$ VIZ001-190815- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna's Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 78 82 83 89 91 73 77 82 84 88 91 74 78 82 Temp 84 81 80 79 79 84 88 89 85 81 79 78 78 84 87 88 85 81 80 79 79 84 Dewpt 74 73 73 71 72 70 71 72 73 73 73 73 72 73 73 73 74 74 74 73 73 74 RH 72 77 79 77 79 63 57 57 67 77 82 85 82 70 63 61 70 79 82 82 82 72 Wind dir E E E E E E E NE E E E E E E E E E E E E E E Wind spd 17 19 19 18 17 19 16 18 18 20 21 21 20 20 18 18 17 18 19 19 18 19 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 20 40 40 20 20 QPF 12hr 0.09 0.20 0.08 0.03-0.12 0.09 Rain shwrs IS IS IS IS IS IS SC SC SC IS SC SC SC IS IS IS IS IS IS IS IS IS Heat index 91 85 82 80 80 89 93 96 92 86 82 80 80 91 95 97 93 87 83 81 81 91 Max heat 99 89 94 101 99 89 96 103 102 91 96 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 79 88 78 89 80 89 80 89 Temp 88 82 80 85 88 81 79 85 89 83 81 86 89 83 81 86 89 83 Dewpt 74 74 74 74 74 73 74 72 73 73 71 72 73 72 72 70 70 70 PWind dir E E E E E E E E E Wind char BZ BZ WY WY BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 B2 B1 B1 SC FW FW FW SC SC SC SC FW SC PoP 12hr 40 40 60 40 20 20 20 20 10 Rain shwrs IS SC SC SC SC NM SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS $$ VIZ002-190815- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 350 PM AST Wed Aug 18 2021 Date 08/18/21 Thu 08/19/21 Fri 08/20/21 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 88 77 86 90 92 78 Temp 85 81 79 78 79 84 87 88 84 80 79 78 78 85 89 90 86 82 80 79 79 85 Dewpt 72 72 73 71 73 72 72 73 73 73 73 73 73 74 72 72 73 74 74 73 74 74 RH 65 74 82 79 82 67 61 61 70 79 82 85 85 70 57 56 65 77 82 82 85 70 Wind dir E E E E E E E E NE NE E E E E E E E E E E E E Wind spd 18 18 17 16 16 17 17 19 19 19 18 19 18 19 18 18 16 16 17 18 17 18 Wind gust 29 Clouds FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 20 30 30 20 20 QPF 12hr 0.08 0.12 0.06 0.03-0.13 0.09 Rain shwrs IS IS IS IS IS IS IS SC SC IS IS SC SC IS IS IS IS IS IS IS IS IS Heat index 91 85 82 89 93 95 91 84 80 92 96 97 93 88 84 81 81 93 Max heat 99 88 92 98 97 86 95 101 101 90 95 Date 08/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 Wed 08/25/21 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 78 89 78 89 79 89 79 89 Temp 89 82 79 85 89 82 79 85 89 82 80 85 89 82 80 85 89 82 Dewpt 74 73 74 74 74 74 74 73 73 73 72 73 73 73 72 72 71 70 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 B2 B1 B1 FW SC FW FW SC SC FW SC SC SC PoP 12hr 20 40 60 30 20 20 20 20 20 Rain shwrs IS IS IS IS SC NM SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS $$