031
CDUS46 KMTR 010027
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT SAT MAY 31 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 31 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 74 2:59 PM 91 2001 70 4 73
MINIMUM 54 5:10 AM 46 1962 53 1 55
AVERAGE 64 61 3 64
PRECIPITATION (IN)
TODAY 0.00 0.11 1947 0.01 -0.01 0.00
MONTH TO DATE 0.11 0.48 -0.37 0.95
SINCE OCT 1 16.11 19.39 -3.28 20.13
SINCE JAN 1 7.55 12.42 -4.87 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 1 4 -3 1
MONTH TO DATE 163 168 -5 133
SINCE MAR 1 717 698 19 622
SINCE JUL 1 2250 2377 -127 1763
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 14 -11 10
SINCE MAR 1 6 20 -14 11
SINCE JAN 1 6 20 -14 11
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 48 3:00 PM
AVERAGE 69
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1989
MINIMUM TEMPERATURE (F) 53 43 1954
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 5:50 AM PDT SUNSET 8:25 PM PDT
JUNE 1 2025..........SUNRISE 5:50 AM PDT SUNSET 8:26 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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