422  
CDUS46 KSGX 030010  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
510 PM PDT SAT AUG 02 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 2 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 93 2:38 PM 104 2021 95 -2 100  
MINIMUM 61 5:32 AM 58 2013 65 -4 71  
AVERAGE 77 80 -3 86  
 
PRECIPITATION (IN)  
TODAY 0.00 0.09 2014 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 T  
SINCE JUL 1 0.00 0.05 -0.05 T  
SINCE OCT 1 6.22 11.51 -5.29 17.64  
SINCE JAN 1 6.07 8.41 -2.34 16.29  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 2  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 12 15 -3 21  
MONTH TO DATE 24 30 -6 39  
SINCE JUN 1 657 722 -65 844  
SINCE JAN 1 907 936 -29 905    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 57  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 105 1998  
MINIMUM TEMPERATURE (F) 65 59 2013  
 
SUNRISE AND SUNSET  
AUGUST 2 2025........SUNRISE 6:03 AM PDT SUNSET 7:50 PM PDT  
AUGUST 3 2025........SUNRISE 6:04 AM PDT SUNSET 7:49 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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