127
CDUS46 KMTR 010827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI AUG 01 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 31 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 72 1:32 PM 97 1993 73 -1 68
MINIMUM 59 11:59 PM 49 1953 56 3 55
1954
1956
AVERAGE 66 64 2 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 1949 0.00 0.00 0.00
MONTH TO DATE T 0.00 0.00 0.00
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 3
MONTH TO DATE 69 62 7 50
SINCE JUN 1 212 159 53 163
SINCE JUL 1 69 62 7 50
COOLING
YESTERDAY 1 1 0 0
MONTH TO DATE 1 26 -25 43
SINCE JUN 1 2 49 -47 49
SINCE JAN 1 8 69 -61 60
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 8:00 PM
LOWEST 61 2:00 PM
AVERAGE 76
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1975
MINIMUM TEMPERATURE (F) 56 48 1951
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 6:14 AM PDT SUNSET 8:17 PM PDT
AUGUST 2 2025........SUNRISE 6:15 AM PDT SUNSET 8:16 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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