Climatological Report (Daily)
Issued by NWS
Issued by NWS
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730
CDUS46 KMTR 120844
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT WED AUG 12 2026
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 11 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 76 2:08 PM 84 1959 73 3 68
2019
MINIMUM 57 5:40 AM 48 1946 56 1 57
1951
AVERAGE 67 65 2 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 1965 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE OCT 1 19.59 19.54 0.05 16.11
SINCE JAN 1 10.74 12.57 -1.83 7.55
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 2
MONTH TO DATE 5 21 -16 14
SINCE JUN 1 115 176 -61 226
SINCE JUL 1 55 79 -24 83
COOLING
YESTERDAY 2 1 1 0
MONTH TO DATE 9 11 -2 6
SINCE JUN 1 61 60 1 8
SINCE JAN 1 104 80 24 14
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 10:00 PM
LOWEST 45 2:00 PM
AVERAGE 68
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1958
1959
MINIMUM TEMPERATURE (F) 56 47 1946
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 6:23 AM PDT SUNSET 8:05 PM PDT
AUGUST 13 2026........SUNRISE 6:24 AM PDT SUNSET 8:04 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$