Climatological Report (Daily)
Issued by NWS
Issued by NWS
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529
CDUS46 KMTR 230045
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT THU MAY 22 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 22 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 65 1:41 PM 83 1954 69 -4 68
MINIMUM 52 5:39 AM 44 1952 52 0 54
AVERAGE 59 60 -1 61
PRECIPITATION (IN)
TODAY 0.00 0.20 1958 0.01 -0.01 0.00
MONTH TO DATE 0.11 0.37 -0.26 0.95
SINCE OCT 1 16.11 19.28 -3.17 20.13
SINCE JAN 1 7.55 12.31 -4.76 14.80
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 6 5 1 4
MONTH TO DATE 119 129 -10 96
SINCE MAR 1 673 659 14 585
SINCE JUL 1 2206 2338 -132 1726
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 10
SINCE MAR 1 5 6 -1 11
SINCE JAN 1 5 6 -1 11
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 21 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 21.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 2:00 AM
LOWEST 47 12:00 PM
AVERAGE 65
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1982
2000
MINIMUM TEMPERATURE (F) 52 46 1954
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 5:55 AM PDT SUNSET 8:18 PM PDT
MAY 23 2025...........SUNRISE 5:54 AM PDT SUNSET 8:19 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$