Climatological Report (Daily)
Issued by NWS
Issued by NWS
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930
CDUS46 KMTR 170829
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT MON AUG 17 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 16 2026...
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)
YESTERDAY
MAXIMUM 67 1:43 PM 90 2015 68 -1 68
MINIMUM 56 3:43 AM 49 1894 56 0 59
AVERAGE 62 62 0 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 2025 0.00 0.00 0.02
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
YESTERDAY 3 4 -1 1
MONTH TO DATE 43 64 -21 55
SINCE JUN 1 291 385 -94 431
SINCE JUL 1 159 216 -57 218
COOLING
YESTERDAY 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 TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 92 1892
MINIMUM TEMPERATURE (F) 56 49 1894
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 6:27 AM PDT SUNSET 8:00 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.
$$