040  
CDUS46 KSGX 030019  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
519 PM PDT WED SEP 02 2026  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 2 2026...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88 2:20 PM 110 2007 95 -7 102  
MINIMUM 63 6:01 AM 56 1999 65 -2 71  
AVERAGE 76 80 -4 87  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2022 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE JUL 1 T 0.08 -0.08 T  
SINCE OCT 1 12.08 11.54 0.54 6.22  
SINCE JAN 1 5.06 8.44 -3.38 6.07  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 11 15 -4 22  
MONTH TO DATE 23 30 -7 42  
SINCE SEP 1 23 30 -7 42  
SINCE JAN 1 1835 1403 432 1431    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.0  
 
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 78 2:00 AM  
LOWEST 23 2:00 PM  
AVERAGE 51  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 94 110 2007  
MINIMUM TEMPERATURE (F) 65 56 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2026.....SUNRISE 6:25 AM PDT SUNSET 7:15 PM PDT  
SEPTEMBER 3 2026.....SUNRISE 6:26 AM PDT SUNSET 7:13 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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