Climatological Report (Daily)
Issued by NWS
Issued by NWS
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934
CDUS46 KMTR 170829
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT MON AUG 17 2026
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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 70 1:11 PM 90 2015 73 -3 74
MINIMUM 58 11:59 PM 48 1952 57 1 62
1955
AVERAGE 64 65 -1 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.04 2020 0.00 0.00 0.00
MONTH TO DATE 0.03 0.02 0.01 T
SINCE OCT 1 19.62 19.55 0.07 16.11
SINCE JAN 1 10.77 12.58 -1.81 7.55
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 1 1 0 0
MONTH TO DATE 7 26 -19 17
SINCE JUN 1 117 181 -64 229
SINCE JUL 1 57 84 -27 86
COOLING
YESTERDAY 0 1 -1 3
MONTH TO DATE 11 16 -5 9
SINCE JUN 1 63 65 -2 11
SINCE JAN 1 106 85 21 17
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 9:00 PM
LOWEST 65 2:00 PM
AVERAGE 79
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 82 1988
1993
2020
MINIMUM TEMPERATURE (F) 57 48 1945
1952
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 6:27 AM PDT SUNSET 7:59 PM PDT
AUGUST 18 2026........SUNRISE 6:28 AM PDT SUNSET 7:58 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$