833
CDUS46 KMTR 280835
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT MON SEP 28 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 65 1:51 PM 96 1958 75 -10 71
2010
MINIMUM 58 11:59 PM 47 1948 55 3 57
1955
AVERAGE 62 65 -3 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 1957 0.00 0.00 0.00
MONTH TO DATE 0.01 0.05 -0.04 0.04
SINCE OCT 1 19.63 19.62 0.01 16.15
SINCE JAN 1 10.78 12.65 -1.87 7.59
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 3 2 1 1
MONTH TO DATE 20 38 -18 3
SINCE SEP 1 20 38 -18 3
SINCE JUL 1 94 140 -46 93
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 55 54 1 70
SINCE SEP 1 55 54 1 70
SINCE JAN 1 166 164 2 120
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 2:00 AM
LOWEST 63 12:00 PM
AVERAGE 74
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 96 2020
MINIMUM TEMPERATURE (F) 55 47 1947
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 7:03 AM PDT SUNSET 6:57 PM PDT
SEPTEMBER 29 2026.....SUNRISE 7:03 AM PDT SUNSET 6:55 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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