Climatological Report (Daily)
Issued by NWS
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716
CDUS46 KMTR 050830
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT FRI SEP 05 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 2025...
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)
YESTERDAY
MAXIMUM 70 2:04 PM 92 1961 75 -5 72
2004
2008
MINIMUM 58 5:33 AM 50 1947 56 2 55
1989
AVERAGE 64 66 -2 64
PRECIPITATION (IN)
YESTERDAY 0.00 T 1992 0.00 0.00 0.00
1993
1998
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 16.11 19.57 -3.46 20.23
SINCE JAN 1 7.55 12.60 -5.05 14.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 1 1 0 1
MONTH TO DATE 1 6 -5 1
SINCE SEP 1 1 6 -5 1
SINCE JUL 1 91 108 -17 131
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 6 8 -2 3
SINCE SEP 1 6 8 -2 3
SINCE JAN 1 56 118 -62 77
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 AM
LOWEST 63 2:00 PM
AVERAGE 77
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 97 2022
MINIMUM TEMPERATURE (F) 56 45 1954
SUNRISE AND SUNSET
SEPTEMBER 5 2025.....SUNRISE 6:43 AM PDT SUNSET 7:32 PM PDT
SEPTEMBER 6 2025.....SUNRISE 6:44 AM PDT SUNSET 7:30 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$