405
CDUS46 KMTR 070827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT THU AUG 07 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 6 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 81 1:33 PM 93 1982 73 8 74
1983
MINIMUM 57 5:53 AM 46 1950 56 1 53
AVERAGE 69 65 4 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 1999 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 T
SINCE OCT 1 16.11 19.53 -3.42 20.13
SINCE JAN 1 7.55 12.56 -5.01 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 1
MONTH TO DATE 10 12 -2 25
SINCE JUN 1 222 167 55 188
SINCE JUL 1 79 70 9 75
COOLING
YESTERDAY 4 1 3 0
MONTH TO DATE 4 6 -2 0
SINCE JUN 1 6 55 -49 49
SINCE JAN 1 12 75 -63 60
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WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 13.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 35 2:00 PM
AVERAGE 61
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 1984
MINIMUM TEMPERATURE (F) 56 46 1950
SUNRISE AND SUNSET
AUGUST 7 2025........SUNRISE 6:19 AM PDT SUNSET 8:11 PM PDT
AUGUST 8 2025........SUNRISE 6:20 AM PDT SUNSET 8:10 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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