194
CDUS46 KMTR 120843
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
143 AM PDT TUE MAY 12 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 11 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 72 1:09 PM 85 1959 68 4 64
MINIMUM 50 5:05 AM 42 1953 51 -1 52
1982
AVERAGE 61 60 1 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 1958 0.02 -0.02 0.00
MONTH TO DATE 0.11 0.21 -0.10 0.01
SINCE OCT 1 19.38 19.12 0.26 16.01
SINCE JAN 1 10.53 12.15 -1.62 7.45
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 4 6 -2 7
MONTH TO DATE 65 69 -4 57
SINCE MAR 1 338 599 -261 611
SINCE JUL 1 1686 2278 -592 2144
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE MAR 1 36 6 30 5
SINCE JAN 1 37 6 31 5
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 11:00 PM
LOWEST 57 1:00 PM
AVERAGE 77
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 96 1976
MINIMUM TEMPERATURE (F) 51 42 1953
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 6:03 AM PDT SUNSET 8:10 PM PDT
MAY 13 2026...........SUNRISE 6:02 AM PDT SUNSET 8:11 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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