065
CDUS46 KMTR 240050
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
550 PM PDT TUE SEP 23 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 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 91 1:54 PM 92 1978 75 16 86
MINIMUM 61 5:02 AM 45 1972 56 5 53
AVERAGE 76 65 11 70
PRECIPITATION (IN)
TODAY 0.00 0.31 1982 0.01 -0.01 0.00
MONTH TO DATE 0.04 0.04 0.00 0.00
SINCE OCT 1 16.15 19.61 -3.46 20.23
SINCE JAN 1 7.59 12.64 -5.05 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 2 30 -28 63
SINCE SEP 1 2 30 -28 63
SINCE JUL 1 92 132 -40 193
COOLING
TODAY 11 2 9 5
MONTH TO DATE 59 46 13 8
SINCE SEP 1 59 46 13 8
SINCE JAN 1 109 156 -47 82
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 8:00 AM
LOWEST 29 4:00 PM
AVERAGE 54
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 2019
MINIMUM TEMPERATURE (F) 56 48 1945
1955
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 6:59 AM PDT SUNSET 7:04 PM PDT
SEPTEMBER 24 2025.....SUNRISE 6:59 AM PDT SUNSET 7:03 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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