669
CDUS46 KMTR 160027
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT MON SEP 15 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 82 2:07 PM 98 1971 75 7 64
MINIMUM 58 3:53 AM 48 1970 56 2 54
AVERAGE 70 66 4 59
PRECIPITATION (IN)
TODAY 0.00 T 1982 0.00 0.00 0.00
1995
1996
MONTH TO DATE 0.02 0.02 0.00 0.00
SINCE OCT 1 16.13 19.59 -3.46 20.23
SINCE JAN 1 7.57 12.62 -5.05 14.90
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 6
MONTH TO DATE 2 17 -15 38
SINCE SEP 1 2 17 -15 38
SINCE JUL 1 92 119 -27 168
COOLING
TODAY 5 2 3 0
MONTH TO DATE 34 30 4 3
SINCE SEP 1 34 30 4 3
SINCE JAN 1 84 140 -56 77
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 6:00 AM
LOWEST 47 4:00 PM
AVERAGE 72
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 90 1968
MINIMUM TEMPERATURE (F) 56 49 2006
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:52 AM PDT SUNSET 7:17 PM PDT
SEPTEMBER 16 2025.....SUNRISE 6:53 AM PDT SUNSET 7:15 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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