465  
CDUS46 KMTR 050040  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT SAT JUL 04 2026  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 4 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 12:29 PM 87 2024 73 -4 67  
MINIMUM 54 1:13 AM 46 1954 55 -1 54  
AVERAGE 62 64 -2 61  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1994 0.00 0.00 0.00  
1996  
2008  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE OCT 1 19.59 19.53 0.06 16.11  
SINCE JAN 1 10.74 12.56 -1.82 7.55  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 2 1 4  
MONTH TO DATE 8 8 0 16  
SINCE JUN 1 68 105 -37 159  
SINCE JUL 1 8 8 0 16  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE JUN 1 19 27 -8 1  
SINCE JAN 1 62 47 15 7    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 77  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 81 1981  
MINIMUM TEMPERATURE (F) 55 48 1946  
1965  
 
SUNRISE AND SUNSET  
JULY 4 2026..........SUNRISE 5:53 AM PDT SUNSET 8:34 PM PDT  
JULY 5 2026..........SUNRISE 5:54 AM PDT SUNSET 8:34 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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