Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 110839
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT FRI SEP 11 2026
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 1:05 PM 94 1979 75 10 71
MINIMUM 60 11:58 PM 49 1947 56 4 63
AVERAGE 73 66 7 67
PRECIPITATION (IN)
YESTERDAY 0.00 T 1992 0.00 0.00 0.00
1993
1997
MONTH TO DATE 0.01 0.01 0.00 0.02
SINCE OCT 1 19.63 19.58 0.05 16.13
SINCE JAN 1 10.78 12.61 -1.83 7.57
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 12 -12 1
SINCE SEP 1 0 12 -12 1
SINCE JUL 1 74 114 -40 91
COOLING
YESTERDAY 8 2 6 2
MONTH TO DATE 44 20 24 24
SINCE SEP 1 44 20 24 24
SINCE JAN 1 155 130 25 74
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 10:00 PM
LOWEST 36 1:00 PM
AVERAGE 63
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 98 1979
MINIMUM TEMPERATURE (F) 56 49 1951
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 6:48 AM PDT SUNSET 7:23 PM PDT
SEPTEMBER 12 2026.....SUNRISE 6:49 AM PDT SUNSET 7:22 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$