449
CDUS46 KMTR 220029
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
529 PM PDT TUE OCT 21 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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 12:02 PM 82 1964 72 1 68
1965
2019
MINIMUM 57 5:52 AM 39 1949 53 4 51
AVERAGE 65 62 3 60
PRECIPITATION (IN)
TODAY 0.00 0.44 2021 0.03 -0.03 0.00
MONTH TO DATE 1.00 0.41 0.59 T
SINCE OCT 1 1.00 0.41 0.59 T
SINCE JAN 1 8.62 13.08 -4.46 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 4 -4 5
MONTH TO DATE 32 54 -22 35
SINCE SEP 1 35 100 -65 109
SINCE JUL 1 125 202 -77 239
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 17 29 -12 86
SINCE SEP 1 95 85 10 110
SINCE JAN 1 145 195 -50 184
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 7:00 AM
LOWEST 59 12:00 PM
AVERAGE 72
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 87 2019
MINIMUM TEMPERATURE (F) 53 42 1949
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 7:24 AM PDT SUNSET 6:24 PM PDT
OCTOBER 22 2025.......SUNRISE 7:25 AM PDT SUNSET 6:22 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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