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
788
CDUS46 KMTR 300040
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
540 PM PDT FRI AUG 29 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 29 2025...
VALID TODAY AS OF 0500 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         71   2:14 PM  98    1968  74     -3       71
  MINIMUM         59   4:00 AM  49    1955  56      3       57
  AVERAGE         65                        65      0       64

PRECIPITATION (IN)
  TODAY            0.00          0.14 1992   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.04  -0.04     0.10
  SINCE OCT 1     16.11                     19.57  -3.46    20.23
  SINCE JAN 1      7.55                     12.60  -5.05    14.90

SNOWFALL (IN)
  TODAY           MM             0.0
  MONTH TO DATE    T
  SINCE JUN 1      T
  SINCE JUL 1      T
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        1
  MONTH TO DATE   21                        39    -18       79
  SINCE JUN 1    233                       194     39      242
  SINCE JUL 1     90                        97     -7      129

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   29                        38     -9       14
  SINCE JUN 1     31                        87    -56       63
  SINCE JAN 1     37                       107    -70       74
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    12.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           4:00 AM
 LOWEST     57           2:00 PM
 AVERAGE    72

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        91      2023
 MINIMUM TEMPERATURE (F)   56        45      1952
                                             1955


SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE   6:38 AM PDT   SUNSET   7:42 PM PDT
AUGUST 30 2025........SUNRISE   6:38 AM PDT   SUNSET   7:41 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$