Climatological Report (Daily)
Issued by NWS
Issued by NWS
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054
CDUS46 KMTR 020036
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT MON SEP 01 2025
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 1 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 71 11:43 AM 106 2017 70 1 68
MINIMUM 57 6:43 AM 48 1910 56 1 57
AVERAGE 64 63 1 63
PRECIPITATION (IN)
TODAY 0.00 0.14 2000 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 19.88 22.79 -2.91 25.76
SINCE JAN 1 9.68 14.49 -4.81 19.08
DEGREE DAYS
HEATING
TODAY 1 4 -3 2
MONTH TO DATE 1 4 -3 2
SINCE SEP 1 1 4 -3 2
SINCE JUL 1 246 274 -28 190
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 1 -1 0
SINCE SEP 1 0 1 -1 0
SINCE JAN 1 19 51 -32 28
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 102 2017
MINIMUM TEMPERATURE (F) 56 49 1910
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:40 AM PDT SUNSET 7:38 PM PDT
SEPTEMBER 2 2025.....SUNRISE 6:41 AM PDT SUNSET 7:37 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$