264
CDUS46 KMTR 090825
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT SAT AUG 09 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 3:09 PM 89 2002 73 2 MM
MINIMUM 57 6:16 AM 47 1946 56 1 MM
AVERAGE 66 65 1 MM
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 1962 0.00 0.00 MM
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 MM
MONTH TO DATE 10 16 -6 27
SINCE JUN 1 222 171 51 190
SINCE JUL 1 79 74 5 77
COOLING
YESTERDAY 1 1 0 MM
MONTH TO DATE 5 8 -3 0
SINCE JUN 1 7 57 -50 49
SINCE JAN 1 13 77 -64 60
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.3
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 6:00 AM
LOWEST 54 12:00 PM
AVERAGE 74
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 1970
MINIMUM TEMPERATURE (F) 56 48 1954
SUNRISE AND SUNSET
AUGUST 9 2025........SUNRISE 6:21 AM PDT SUNSET 8:09 PM PDT
AUGUST 10 2025........SUNRISE 6:21 AM PDT SUNSET 8:08 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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