National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2025-10-19 08:34 UTC
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332
CDUS46 KMTR 190834
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT SUN OCT 19 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 3:54 PM 86 2012 72 5 73
2023
MINIMUM 56 5:57 AM 42 1946 53 3 57
AVERAGE 67 63 4 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 1953 0.03 -0.03 0.00
MONTH TO DATE 1.00 0.33 0.67 T
SINCE OCT 1 1.00 0.33 0.67 T
SINCE JAN 1 8.62 13.00 -4.38 14.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 30 43 -13 29
SINCE SEP 1 33 89 -56 103
SINCE JUL 1 123 191 -68 233
COOLING
YESTERDAY 2 1 1 0
MONTH TO DATE 16 26 -10 84
SINCE SEP 1 94 82 12 108
SINCE JAN 1 144 192 -48 182
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 AM
LOWEST 43 5:00 PM
AVERAGE 67
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 88 2023
MINIMUM TEMPERATURE (F) 53 43 1949
SUNRISE AND SUNSET
OCTOBER 19 2025.......SUNRISE 7:22 AM PDT SUNSET 6:26 PM PDT
OCTOBER 20 2025.......SUNRISE 7:23 AM PDT SUNSET 6:25 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$