803
CDUS46 KMTR 210838
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT TUE APR 21 2026
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 20 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 64 11:43 AM 93 2009 63 1 58
MINIMUM 53 11:43 PM 42 1963 50 3 50
AVERAGE 59 56 3 54
PRECIPITATION (IN)
YESTERDAY 0.93 1.81 1880 0.05 0.88 0.00
MONTH TO DATE 3.07 1.26 1.81 0.25
SINCE OCT 1 19.30 21.48 -2.18 19.57
SINCE JAN 1 10.37 13.18 -2.81 9.37
DEGREE DAYS
HEATING
YESTERDAY 6 9 -3 11
MONTH TO DATE 130 180 -50 175
SINCE MAR 1 237 477 -240 487
SINCE JUL 1 1722 2295 -573 2087
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 43 2 41 2
SINCE JAN 1 46 2 44 2
...............................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 90 1987
MINIMUM TEMPERATURE (F) 50 42 1967
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 6:26 AM PDT SUNSET 7:51 PM PDT
APRIL 22 2026.........SUNRISE 6:25 AM PDT SUNSET 7:52 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page