853
CDUS46 KMTR 210044
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
544 PM PDT MON JUL 20 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 20 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 72 2:23 PM 93 1996 73 -1 68
MINIMUM 59 4:39 AM 49 1949 56 3 55
1953
1981
AVERAGE 66 64 2 62
PRECIPITATION (IN)
TODAY T 0.03 1985 0.00 0.00 0.00
MONTH TO DATE T 0.00 0.00 0.00
SINCE OCT 1 19.59 19.53 0.06 16.11
SINCE JAN 1 10.74 12.56 -1.82 7.55
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 0 2 -2 3
MONTH TO DATE 47 40 7 56
SINCE JUN 1 107 137 -30 199
SINCE JUL 1 47 40 7 56
COOLING
TODAY 1 1 0 0
MONTH TO DATE 16 20 -4 0
SINCE JUN 1 35 43 -8 1
SINCE JAN 1 78 63 15 7
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 63 3:00 PM
AVERAGE 77
......................................................
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 2026..........SUNRISE 6:04 AM PDT SUNSET 8:28 PM PDT
JULY 21 2026..........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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