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
791
CDUS46 KMTR 290025
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
525 PM PDT MON SEP 28 2026

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         69   1:20 PM  96    2020  75     -6       70
  MINIMUM         57   7:50 AM  47    1947  55      2       62
  AVERAGE         63                        65     -2       66

PRECIPITATION (IN)
  TODAY            0.00          0.17 1976   0.01  -0.01     0.00
  MONTH TO DATE    0.01                      0.06  -0.05     0.04
  SINCE OCT 1     19.63                     19.63  -0.00    16.15
  SINCE JAN 1     10.78                     12.66  -1.88     7.59

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

DEGREE DAYS
 HEATING
  TODAY            2                         2      0        0
  MONTH TO DATE   22                        40    -18        3
  SINCE SEP 1     22                        40    -18        3
  SINCE JUL 1     96                       142    -46       93

 COOLING
  TODAY            0                         2     -2        1
  MONTH TO DATE   55                        56     -1       71
  SINCE SEP 1     55                        56     -1       71
  SINCE JAN 1    166                       166      0      121
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           2:00 AM
 LOWEST     54           1:00 PM
 AVERAGE    69

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        95      2020
 MINIMUM TEMPERATURE (F)   55        45      1950
                                             1955


SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE   7:03 AM PDT   SUNSET   6:57 PM PDT
SEPTEMBER 29 2026.....SUNRISE   7:03 AM PDT   SUNSET   6:55 PM PDT


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




$$