031
CDUS46 KMTR 050037
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
437 PM PST THU DEC 04 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 55 3:59 PM 75 1958 60 -5 62
MINIMUM 44 5:34 AM 36 2004 46 -2 47
AVERAGE 50 52 -2 55
PRECIPITATION (IN)
TODAY 0.00 1.56 1945 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.48 -0.48 0.00
SINCE OCT 1 4.46 3.31 1.15 4.05
SINCE JAN 1 12.08 15.98 -3.90 18.95
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 15 12 3 10
MONTH TO DATE 53 48 5 33
SINCE DEC 1 53 48 5 33
SINCE JUL 1 404 556 -152 574
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 150 201 -51 184
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (50)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 7:00 AM
LOWEST 66 1:00 AM
AVERAGE 73
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 69 1979
MINIMUM TEMPERATURE (F) 46 31 1972
SUNRISE AND SUNSET
DECEMBER 4 2025......SUNRISE 7:09 AM PST SUNSET 4:51 PM PST
DECEMBER 5 2025......SUNRISE 7:10 AM PST SUNSET 4:51 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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