912  
CDUS46 KSGX 300032  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
532 PM PDT SUN JUN 29 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 29 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 96 2:38 PM 105 2013 91 5 94  
MINIMUM 64 4:54 AM 57 2023 63 1 61  
AVERAGE 80 77 3 78  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00 2004 0.00 0.00 0.00  
2005  
2006  
MONTH TO DATE 0.10 0.02 0.08 T  
SINCE JUL 1 6.22 11.64 -5.42 19.80  
SINCE OCT 1 6.22 11.46 -5.24 17.64  
SINCE JAN 1 6.07 8.36 -2.29 16.29  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 0 0 0 2  
SINCE JUL 1 1134 1288 -154 1314  
 
COOLING  
TODAY 15 12 3 13  
MONTH TO DATE 273 238 35 268  
SINCE JUN 1 273 238 35 268  
SINCE JAN 1 523 452 71 329    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 5:00 AM  
LOWEST 17 12:00 PM  
AVERAGE 44  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 104 2013  
MINIMUM TEMPERATURE (F) 63 56 2002  
 
SUNRISE AND SUNSET  
JUNE 29 2025..........SUNRISE 5:42 AM PDT SUNSET 8:06 PM PDT  
JUNE 30 2025..........SUNRISE 5:43 AM PDT SUNSET 8:06 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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