396
CDUS46 KMTR 210030
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
530 PM PDT SUN JUL 20 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 20 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 68 1:19 PM 93 1996 73 -5 68
MINIMUM 55 5:46 AM 49 1949 56 -1 56
1953
1981
AVERAGE 62 64 -2 62
PRECIPITATION (IN)
TODAY 0.00 0.03 1985 0.00 0.00 0.00
MONTH TO DATE 0.00 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)
TODAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 3 2 1 3
MONTH TO DATE 56 40 16 22
SINCE JUN 1 199 137 62 135
SINCE JUL 1 56 40 16 22
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 20 -20 34
SINCE JUN 1 1 43 -42 40
SINCE JAN 1 7 63 -56 51
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 61 1:00 PM
AVERAGE 76
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 83 2006
MINIMUM TEMPERATURE (F) 56 49 1949
1950
1954
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 6:04 AM PDT SUNSET 8:27 PM PDT
JULY 21 2025..........SUNRISE 6:05 AM PDT SUNSET 8:27 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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