841
CDUS46 KMTR 010039
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT MON AUG 31 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 67 2:18 PM 89 2005 74 -7 83
MINIMUM 58 3:57 AM 48 1955 56 2 60
1957
AVERAGE 63 65 -2 72
PRECIPITATION (IN)
TODAY 0.00 0.01 1964 0.00 0.00 0.00
MONTH TO DATE 0.03 0.04 -0.01 T
SINCE OCT 1 19.62 19.57 0.05 16.11
SINCE JAN 1 10.77 12.60 -1.83 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 2 2 0 0
MONTH TO DATE 24 43 -19 21
SINCE JUN 1 134 198 -64 233
SINCE JUL 1 74 101 -27 90
COOLING
TODAY 0 2 -2 7
MONTH TO DATE 16 41 -25 42
SINCE JUN 1 68 90 -22 44
SINCE JAN 1 111 110 1 50
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 12:00 AM
LOWEST 61 2:00 PM
AVERAGE 73
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 104 2017
MINIMUM TEMPERATURE (F) 56 49 1957
1981
SUNRISE AND SUNSET
AUGUST 31 2026........SUNRISE 6:39 AM PDT SUNSET 7:40 PM PDT
SEPTEMBER 1 2026.....SUNRISE 6:40 AM PDT SUNSET 7:38 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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