531
CDUS46 KMTR 280826
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU MAY 28 2026
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 27 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 66 1:43 PM 93 1984 65 1 65
MINIMUM 52 1:43 AM 47 1893 52 0 51
AVERAGE 59 58 1 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.42 1990 0.02 -0.02 0.00
MONTH TO DATE 0.14 0.64 -0.50 0.16
SINCE OCT 1 20.02 22.46 -2.44 19.76
SINCE JAN 1 11.09 14.16 -3.07 9.56
DEGREE DAYS
HEATING
YESTERDAY 6 7 -1 7
MONTH TO DATE 177 206 -29 203
SINCE MAR 1 488 768 -280 786
SINCE JUL 1 1973 2586 -613 2386
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 0 5 4
SINCE MAR 1 48 7 41 6
SINCE JAN 1 51 7 44 6
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 97 1887
MINIMUM TEMPERATURE (F) 52 47 1893
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 5:51 AM PDT SUNSET 8:23 PM PDT
MAY 29 2026...........SUNRISE 5:51 AM PDT SUNSET 8:24 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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