National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2025-07-23 08:27 UTC
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689
CDUS46 KMTR 230827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT WED JUL 23 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 22 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 69 1:20 PM 97 2006 73 -4 75
MINIMUM 58 1:45 AM 49 1954 56 2 54
1968
1981
AVERAGE 64 64 0 65
PRECIPITATION (IN)
YESTERDAY T R T 1986 0.00 0.00 0.00
1990
2014
MONTH TO DATE T 0.00 0.00 0.00
SINCE OCT 1 16.11 19.53 -3.42 20.13
SINCE JAN 1 7.55 12.56 -5.01 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 0
MONTH TO DATE 60 44 16 27
SINCE JUN 1 203 141 62 140
SINCE JUL 1 60 44 16 27
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 22 -22 34
SINCE JUN 1 1 45 -44 40
SINCE JAN 1 7 65 -58 51
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 AM
LOWEST 63 1:00 PM
AVERAGE 77
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 2005
MINIMUM TEMPERATURE (F) 56 50 1962
1981
SUNRISE AND SUNSET
JULY 23 2025..........SUNRISE 6:06 AM PDT SUNSET 8:25 PM PDT
JULY 24 2025..........SUNRISE 6:07 AM PDT SUNSET 8:24 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$