Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 190028
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT TUE AUG 18 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 18 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 1:43 PM 88 1934 68 -3 68
MINIMUM 56 4:43 AM 48 1898 56 0 56
AVERAGE 61 62 -1 62
PRECIPITATION (IN)
TODAY 0.00 0.34 1976 0.00 0.00 0.00
MONTH TO DATE 0.02 0.03 -0.01 0.03
SINCE OCT 1 20.73 22.76 -2.03 19.88
SINCE JAN 1 11.80 14.46 -2.66 9.68
DEGREE DAYS
HEATING
TODAY 4 4 0 3
MONTH TO DATE 51 72 -21 61
SINCE JUN 1 299 393 -94 437
SINCE JUL 1 167 224 -57 224
COOLING
TODAY 0 0 0 0
MONTH TO DATE 1 0 1 1
SINCE JUN 1 22 19 3 1
SINCE JAN 1 73 34 39 7
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 91 1995
MINIMUM TEMPERATURE (F) 56 48 1955
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:28 AM PDT SUNSET 7:58 PM PDT
AUGUST 19 2026........SUNRISE 6:29 AM PDT SUNSET 7:57 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$