CDUS46 KMTR 150045
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 PM PST SUN DEC 14 2025

...................................

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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         50   3:28 PM  69    1958  58     -8       58
  MINIMUM         46  10:35 AM  30    1972  45      1       49
  AVERAGE         48                        51     -3       54

PRECIPITATION (IN)
  TODAY            0.00          1.59 2024   0.14  -0.14     1.59
  MONTH TO DATE    0.00                      1.79  -1.79     2.71
  SINCE OCT 1      4.46                      4.62  -0.16     6.76
  SINCE JAN 1     12.08                     17.29  -5.21    21.66

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           17                        14      3       11
  MONTH TO DATE  209                       181     28      132
  SINCE DEC 1    209                       181     28      132
  SINCE JUL 1    560                       689   -129      673

 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   6   RESULTANT WIND DIRECTION   N (20)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           3:00 AM
 LOWEST     83           2:00 PM
 AVERAGE    90

..........................................................


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        71      1980
 MINIMUM TEMPERATURE (F)   45        31      1967


SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE   7:17 AM PST   SUNSET   4:52 PM PST
DECEMBER 15 2025......SUNRISE   7:17 AM PST   SUNSET   4:52 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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