Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
320
CDUS46 KMTR 070029
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
429 PM PST SAT DEC 06 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 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         53   2:39 PM  67    1979  59     -6       67
                                      2014
                                      2024
  MINIMUM         46   9:56 AM  37    1967  45      1       48
                                      1972
                                      2013
  AVERAGE         50                        52     -2       58

PRECIPITATION (IN)
  TODAY            0.00          1.41 1950   0.13  -0.13     0.00
  MONTH TO DATE    0.00                      0.73  -0.73     0.00
  SINCE OCT 1      4.46                      3.56   0.90     4.05
  SINCE JAN 1     12.08                     16.23  -4.15    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                        13      2        7
  MONTH TO DATE   83                        74      9       48
  SINCE DEC 1     83                        74      9       48
  SINCE JUL 1    434                       582   -148      589

 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   5   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           3:00 AM
 LOWEST     80          12:00 PM
 AVERAGE    87

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        73      2020
 MINIMUM TEMPERATURE (F)   45        33      1960


SUNRISE AND SUNSET
DECEMBER  6 2025......SUNRISE   7:11 AM PST   SUNSET   4:51 PM PST
DECEMBER  7 2025......SUNRISE   7:11 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.




$$