Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 050031
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT SAT OCT 04 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 73 MM 95 1987 74 -1 82
MINIMUM 56 MM 47 1989 55 1 58
AVERAGE 65 65 0 70
PRECIPITATION (IN)
TODAY 0.00 0.33 1994 0.01 -0.01 0.00
MONTH TO DATE 0.13 0.05 0.08 0.00
SINCE OCT 1 0.13 0.05 0.08 0.00
SINCE JAN 1 7.75 12.72 -4.97 14.90
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 0 2 -2 0
MONTH TO DATE 0 8 -8 0
SINCE SEP 1 3 54 -51 74
SINCE JUL 1 93 156 -63 204
COOLING
TODAY 0 2 -2 5
MONTH TO DATE 3 8 -5 42
SINCE SEP 1 81 64 17 66
SINCE JAN 1 131 174 -43 140
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 57 2:00 PM
AVERAGE 74
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 99 1987
MINIMUM TEMPERATURE (F) 55 47 1962
1969
2009
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 7:08 AM PDT SUNSET 6:47 PM PDT
OCTOBER 5 2025.......SUNRISE 7:09 AM PDT SUNSET 6:46 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$