Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 100828
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT SUN AUG 10 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 9 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 75 1:51 PM 95 1970 73 2 65
MINIMUM 57 6:20 AM 48 1954 56 1 51
AVERAGE 66 65 1 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 1962 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 T
SINCE OCT 1 16.11 19.54 -3.43 20.13
SINCE JAN 1 7.55 12.57 -5.02 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 7
MONTH TO DATE 10 18 -8 34
SINCE JUN 1 222 173 49 197
SINCE JUL 1 79 76 3 84
COOLING
YESTERDAY 1 1 0 0
MONTH TO DATE 6 9 -3 0
SINCE JUN 1 8 58 -50 49
SINCE JAN 1 14 78 -64 60
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 53 2:00 PM
AVERAGE 73
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 87 2009
MINIMUM TEMPERATURE (F) 56 47 1951
SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE 6:21 AM PDT SUNSET 8:08 PM PDT
AUGUST 11 2025........SUNRISE 6:22 AM PDT SUNSET 8:06 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$