411  
CDUS46 KMTR 240038  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
538 PM PDT SAT MAY 23 2026  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 23 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 2:48 PM 88 1982 69 0 61  
2000  
MINIMUM 54 5:15 AM 46 1954 52 2 52  
AVERAGE 62 61 1 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.21 1997 0.02 -0.02 0.00  
MONTH TO DATE 0.11 0.39 -0.28 0.11  
SINCE OCT 1 19.38 19.30 0.08 16.11  
SINCE JAN 1 10.53 12.33 -1.80 7.55  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 5 -2 8  
MONTH TO DATE 114 134 -20 127  
SINCE MAR 1 387 664 -277 681  
SINCE JUL 1 1735 2343 -608 2214  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 6 0 6 2  
SINCE MAR 1 42 6 36 5  
SINCE JAN 1 43 6 37 5    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 3:00 AM  
LOWEST 53 3:00 PM  
AVERAGE 68  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1982  
MINIMUM TEMPERATURE (F) 52 45 1953  
 
SUNRISE AND SUNSET  
MAY 23 2026...........SUNRISE 5:54 AM PDT SUNSET 8:19 PM PDT  
MAY 24 2026...........SUNRISE 5:54 AM PDT SUNSET 8:20 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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