813
CDUS46 KMTR 080028
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT SUN SEP 07 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 76 12:45 PM 97 2020 75 1 66
MINIMUM 63 6:29 AM 50 1960 56 7 53
AVERAGE 70 66 4 60
PRECIPITATION (IN)
TODAY 0.00 T 1966 0.00 0.00 0.00
1979
1980
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE OCT 1 16.11 19.58 -3.47 20.23
SINCE JAN 1 7.55 12.61 -5.06 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 1 -1 5
MONTH TO DATE 1 9 -8 9
SINCE SEP 1 1 9 -8 9
SINCE JUL 1 91 111 -20 139
COOLING
TODAY 5 2 3 0
MONTH TO DATE 14 14 0 3
SINCE SEP 1 14 14 0 3
SINCE JAN 1 64 124 -60 77
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 57 1:00 PM
AVERAGE 72
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 100 1984
MINIMUM TEMPERATURE (F) 56 48 1946
SUNRISE AND SUNSET
SEPTEMBER 7 2025.....SUNRISE 6:45 AM PDT SUNSET 7:29 PM PDT
SEPTEMBER 8 2025.....SUNRISE 6:46 AM PDT SUNSET 7:27 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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