841 CDUS46 KMTR 140837 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT SUN SEP 14 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 67 4:05 PM 96 2019 77 -10 84 MINIMUM 61 7:25 AM 55 2005 58 3 58 2016 AVERAGE 64 68 -4 71 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.05 0.00 SINCE OCT 1 14.69 21.86 SINCE JAN 1 7.48 17.00 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 1 0 SINCE SEP 1 1 0 SINCE JUL 1 41 10 COOLING YESTERDAY 0 6 MONTH TO DATE 40 68 SINCE SEP 1 40 68 SINCE JAN 1 196 505 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 8.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 8:00 PM LOWEST 68 2:00 PM AVERAGE 77 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 83 2004 MINIMUM TEMPERATURE (F) 58 54 2010 SUNRISE AND SUNSET SEPTEMBER 14 2025.....SUNRISE 6:50 AM PDT SUNSET 7:17 PM PDT SEPTEMBER 15 2025.....SUNRISE 6:51 AM PDT SUNSET 7:16 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$