002
CDUS46 KMTR 040834
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT FRI SEP 04 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 12:15 PM 93 1961 75 -3 73
MINIMUM 60 5:21 AM 50 1945 56 4 58
1947
1970
AVERAGE 66 65 1 66
PRECIPITATION (IN)
YESTERDAY 0.01R T 1992 0.00 0.01 0.00
1993
2003
MONTH TO DATE 0.01 0.00 0.01 0.00
SINCE OCT 1 19.63 19.57 0.06 16.11
SINCE JAN 1 10.78 12.60 -1.82 7.55
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 5 -5 0
SINCE SEP 1 0 5 -5 0
SINCE JUL 1 74 107 -33 90
COOLING
YESTERDAY 1 2 -1 1
MONTH TO DATE 5 6 -1 6
SINCE SEP 1 5 6 -1 6
SINCE JAN 1 116 116 0 56
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 PM
LOWEST 61 3:00 PM
AVERAGE 77
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1961
2004
2008
MINIMUM TEMPERATURE (F) 56 50 1947
1989
SUNRISE AND SUNSET
SEPTEMBER 4 2026.....SUNRISE 6:42 AM PDT SUNSET 7:34 PM PDT
SEPTEMBER 5 2026.....SUNRISE 6:43 AM PDT SUNSET 7:32 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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