717  
CDUS46 KSGX 100024  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
524 PM PDT WED JUL 09 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 9 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 97 3:04 PM 104 2017 93 4 100  
MINIMUM 67 4:46 AM 56 2010 64 3 65  
AVERAGE 82 79 3 83  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2015 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 0.00 0.01 -0.01 0.00  
SINCE OCT 1 6.22 11.47 -5.25 17.64  
SINCE JAN 1 6.07 8.37 -2.30 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 17 14 3 18  
MONTH TO DATE 110 118 -8 146  
SINCE JUN 1 398 368 30 431  
SINCE JAN 1 648 582 66 492    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 5:00 AM  
LOWEST 19 12:00 PM  
AVERAGE 36  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 94 103 2012  
MINIMUM TEMPERATURE (F) 65 59 2004  
2023  
 
SUNRISE AND SUNSET  
JULY 9 2025..........SUNRISE 5:47 AM PDT SUNSET 8:04 PM PDT  
JULY 10 2025..........SUNRISE 5:47 AM PDT SUNSET 8:04 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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