Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220034
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT FRI AUG 21 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 21 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 65 2:43 PM 88 1891 69 -4 77
MINIMUM 56 5:43 AM 47 1898 56 0 57
AVERAGE 61 62 -1 67
PRECIPITATION (IN)
TODAY 0.00 0.22 1951 0.00 0.00 0.00
MONTH TO DATE 0.02 0.04 -0.02 0.03
SINCE OCT 1 20.73 22.77 -2.04 19.88
SINCE JAN 1 11.80 14.47 -2.67 9.68
DEGREE DAYS
HEATING
TODAY 4 4 0 0
MONTH TO DATE 64 84 -20 63
SINCE JUN 1 312 405 -93 439
SINCE JUL 1 180 236 -56 226
COOLING
TODAY 0 1 -1 2
MONTH TO DATE 1 2 -1 3
SINCE JUN 1 22 21 1 3
SINCE JAN 1 73 36 37 9
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1891
MINIMUM TEMPERATURE (F) 56 50 1898
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:31 AM PDT SUNSET 7:54 PM PDT
AUGUST 22 2026........SUNRISE 6:31 AM PDT SUNSET 7:53 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$