557
CDUS46 KMTR 230837
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT SAT MAY 23 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 22 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 1:07 PM 83 1954 69 0 65
MINIMUM 50 4:01 AM 44 1952 52 -2 52
AVERAGE 60 60 0 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 1958 0.01 -0.01 0.00
MONTH TO DATE 0.11 0.37 -0.26 0.11
SINCE OCT 1 19.38 19.28 0.10 16.11
SINCE JAN 1 10.53 12.31 -1.78 7.55
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 5 5 0 6
MONTH TO DATE 111 129 -18 119
SINCE MAR 1 384 659 -275 673
SINCE JUL 1 1732 2338 -606 2206
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 6 0 6 2
SINCE MAR 1 42 6 36 5
SINCE JAN 1 43 6 37 5
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 59 2:00 PM
AVERAGE 76
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1982
2000
MINIMUM TEMPERATURE (F) 52 46 1954
SUNRISE AND SUNSET
MAY 23 2026...........SUNRISE 5:54 AM PDT SUNSET 8:19 PM PDT
MAY 24 2026...........SUNRISE 5:54 AM PDT SUNSET 8:20 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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