Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 010039
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT MON AUG 31 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 31 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 3:43 PM 87 1943 69 -4 82
MINIMUM 57 5:43 AM 48 1910 56 1 60
AVERAGE 61 62 -1 71
PRECIPITATION (IN)
TODAY 0.00 0.02 1944 0.00 0.00 0.00
MONTH TO DATE 0.02 0.06 -0.04 0.03
SINCE OCT 1 20.73 22.79 -2.06 19.88
SINCE JAN 1 11.80 14.49 -2.69 9.68
DEGREE DAYS
HEATING
TODAY 4 4 0 0
MONTH TO DATE 89 119 -30 82
SINCE JUN 1 337 440 -103 458
SINCE JUL 1 205 271 -66 245
COOLING
TODAY 0 1 -1 6
MONTH TO DATE 3 16 -13 13
SINCE JUN 1 24 35 -11 13
SINCE JAN 1 75 50 25 19
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 106 2017
MINIMUM TEMPERATURE (F) 56 48 1910
SUNRISE AND SUNSET
AUGUST 31 2026........SUNRISE 6:39 AM PDT SUNSET 7:40 PM PDT
SEPTEMBER 1 2026.....SUNRISE 6:40 AM PDT SUNSET 7:39 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$