Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 160827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT WED SEP 16 2026
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 73 12:22 PM 98 1971 75 -2 82
MINIMUM 56 3:51 AM 48 1970 56 0 58
AVERAGE 65 66 -1 70
PRECIPITATION (IN)
YESTERDAY 0.00 T 1982 0.00 0.00 0.00
1995
1996
MONTH TO DATE 0.01 0.02 -0.01 0.02
SINCE OCT 1 19.63 19.59 0.04 16.13
SINCE JAN 1 10.78 12.62 -1.84 7.57
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 17 -17 2
SINCE SEP 1 0 17 -17 2
SINCE JUL 1 74 119 -45 92
COOLING
YESTERDAY 0 2 -2 5
MONTH TO DATE 49 30 19 34
SINCE SEP 1 49 30 19 34
SINCE JAN 1 160 140 20 84
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 2:00 AM
LOWEST 55 11:00 AM
AVERAGE 71
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 90 1968
MINIMUM TEMPERATURE (F) 56 49 2006
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 6:52 AM PDT SUNSET 7:15 PM PDT
SEPTEMBER 17 2026.....SUNRISE 6:53 AM PDT SUNSET 7:14 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$