640
CDUS46 KMTR 190830
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT SAT SEP 19 2026
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..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 18 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 66 12:43 PM 94 1912 70 -4 65
MINIMUM 57 6:43 AM 49 1899 56 1 59
AVERAGE 62 63 -1 62
PRECIPITATION (IN)
YESTERDAY 0.00 2.01 1959 0.00 0.00 0.00
MONTH TO DATE 0.03 0.03 0.00 0.08
SINCE OCT 1 20.76 22.82 -2.06 19.96
SINCE JAN 1 11.83 14.52 -2.69 9.76
DEGREE DAYS
HEATING
YESTERDAY 3 3 0 3
MONTH TO DATE 24 56 -32 19
SINCE SEP 1 24 56 -32 19
SINCE JUL 1 229 326 -97 264
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 32 18 14 14
SINCE SEP 1 32 18 14 14
SINCE JAN 1 107 68 39 33
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 93 1919
MINIMUM TEMPERATURE (F) 56 49 1911
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 6:55 AM PDT SUNSET 7:11 PM PDT
SEPTEMBER 20 2026.....SUNRISE 6:56 AM PDT SUNSET 7:09 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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