Climatological Report (Daily)
Issued by NWS
Issued by NWS
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653
CDUS46 KMTR 010832
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT THU OCT 01 2026
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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 78 2:08 PM 94 1980 75 3 74
2001
MINIMUM 56 11:59 PM 41 1950 55 1 63
AVERAGE 67 65 2 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.56 1983 0.01 -0.01 T
MONTH TO DATE 0.01 0.07 -0.06 0.07
SINCE OCT 1 19.63 19.64 -0.01 16.18
SINCE JAN 1 10.78 12.67 -1.89 7.62
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 22 44 -22 3
SINCE SEP 1 22 44 -22 3
SINCE JUL 1 96 146 -50 93
COOLING
YESTERDAY 2 2 0 4
MONTH TO DATE 59 56 3 78
SINCE SEP 1 59 56 3 78
SINCE JAN 1 170 166 4 128
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 48 2:00 PM
AVERAGE 71
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 97 1980
MINIMUM TEMPERATURE (F) 55 42 1950
SUNRISE AND SUNSET
OCTOBER 1 2026.......SUNRISE 7:05 AM PDT SUNSET 6:52 PM PDT
OCTOBER 2 2026.......SUNRISE 7:06 AM PDT SUNSET 6:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$