780
CDUS46 KMTR 270842
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1242 AM PST SAT DEC 27 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 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 60 11:12 AM 72 1967 57 3 62
MINIMUM 51 11:38 PM 32 1954 44 7 51
AVERAGE 56 51 5 57
PRECIPITATION (IN)
YESTERDAY 0.17 1.46 1948 0.14 0.03 0.27
MONTH TO DATE 3.45 3.47 -0.02 4.01
SINCE OCT 1 7.91 6.30 1.61 8.06
SINCE JAN 1 15.53 18.97 -3.44 22.96
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 9 14 -5 8
MONTH TO DATE 308 349 -41 266
SINCE DEC 1 308 349 -41 266
SINCE JUL 1 659 857 -198 807
COOLING
YESTERDAY 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 10 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 13.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 4:00 PM
LOWEST 62 11:00 AM
AVERAGE 76
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 70 1953
MINIMUM TEMPERATURE (F) 44 33 1954
1962
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 7:23 AM PST SUNSET 4:58 PM PST
DECEMBER 28 2025......SUNRISE 7:24 AM PST SUNSET 4:59 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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