261
CDUS46 KMTR 300844
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT TUE SEP 30 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 74 1:47 PM 95 2020 75 -1 67
MINIMUM 62 4:19 AM 45 1950 55 7 56
1955
AVERAGE 68 65 3 62
PRECIPITATION (IN)
YESTERDAY 0.03 0.11 1971 0.00 0.03 0.00
MONTH TO DATE 0.07 0.06 0.01 0.00
SINCE OCT 1 16.18 19.63 -3.45 20.23
SINCE JAN 1 7.62 12.66 -5.04 14.90
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 3
MONTH TO DATE 3 42 -39 74
SINCE SEP 1 3 42 -39 74
SINCE JUL 1 93 144 -51 204
COOLING
YESTERDAY 3 2 1 0
MONTH TO DATE 74 58 16 18
SINCE SEP 1 74 58 16 18
SINCE JAN 1 124 168 -44 92
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 53 3:00 PM
AVERAGE 73
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 1980
2001
MINIMUM TEMPERATURE (F) 55 41 1950
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 7:05 AM PDT SUNSET 6:53 PM PDT
OCTOBER 1 2025.......SUNRISE 7:05 AM PDT SUNSET 6:52 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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