Climatological Report (Daily)
Issued by NWS
Issued by NWS
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872
CDUS46 KMTR 160827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT THU OCT 16 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 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 63 4:33 PM 95 1961 73 -10 72
MINIMUM 55 6:59 AM 42 1966 54 1 54
AVERAGE 59 63 -4 63
PRECIPITATION (IN)
YESTERDAY T 1.42 1969 0.03 -0.03 0.00
MONTH TO DATE 1.00 0.25 0.75 T
SINCE OCT 1 1.00 0.25 0.75 T
SINCE JAN 1 8.62 12.92 -4.30 14.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 6 3 3 2
MONTH TO DATE 25 34 -9 23
SINCE SEP 1 28 80 -52 97
SINCE JUL 1 118 182 -64 227
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 14 23 -9 84
SINCE SEP 1 92 79 13 108
SINCE JAN 1 142 189 -47 182
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 11:00 PM
LOWEST 65 2:00 PM
AVERAGE 78
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 2020
MINIMUM TEMPERATURE (F) 54 44 1980
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 7:19 AM PDT SUNSET 6:30 PM PDT
OCTOBER 17 2025.......SUNRISE 7:20 AM PDT SUNSET 6:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$