780  
CDUS46 KSGX 310022  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
522 PM PDT SUN AUG 30 2026  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 30 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 96 12:35 PM 109 1998 95 1 98  
MINIMUM 73 6:39 AM 57 2010 65 8 70  
AVERAGE 85 80 5 84  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2007 0.00 0.00 0.00  
2008  
MONTH TO DATE 0.00 0.03 -0.03 T  
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 JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 20 15 5 19  
MONTH TO DATE 600 450 150 485  
SINCE JUN 1 1368 1142 226 1118  
SINCE JAN 1 1798 1356 442 1368    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 6:00 AM  
LOWEST 30 12:00 PM  
AVERAGE 53  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 112 2017  
MINIMUM TEMPERATURE (F) 65 56 1999  
 
SUNRISE AND SUNSET  
AUGUST 30 2026........SUNRISE 6:23 AM PDT SUNSET 7:19 PM PDT  
AUGUST 31 2026........SUNRISE 6:23 AM PDT SUNSET 7:17 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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