755  
CDUS46 KMTR 200033  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
533 PM PDT FRI SEP 19 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 19 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1850 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 68 1:43 PM 93 1919 70 -2 63  
MINIMUM 58 1:43 AM 49 1911 56 2 54  
AVERAGE 63 63 0 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.72 1977 0.01 -0.01 0.00  
MONTH TO DATE 0.08 0.04 0.04 0.00  
SINCE OCT 1 19.96 22.83 -2.87 25.76  
SINCE JAN 1 9.76 14.53 -4.77 19.08  
 
DEGREE DAYS  
HEATING  
TODAY 2 3 -1 6  
MONTH TO DATE 21 59 -38 69  
SINCE SEP 1 21 59 -38 69  
SINCE JUL 1 266 329 -63 257  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 14 19 -5 6  
SINCE SEP 1 14 19 -5 6  
SINCE JAN 1 33 69 -36 34    
...............................................................
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 97 1939  
MINIMUM TEMPERATURE (F) 56 49 1911  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2025.....SUNRISE 6:55 AM PDT SUNSET 7:11 PM PDT  
SEPTEMBER 20 2025.....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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page