669  
CDUS46 KSGX 010022  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
522 PM PDT MON AUG 31 2026  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 31 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 91 1:41 PM 112 2017 95 -4 101  
MINIMUM 68 5:30 AM 56 1999 65 3 70  
AVERAGE 80 80 0 86  
 
PRECIPITATION (IN)  
TODAY 0.00 0.13 1998 0.00 0.00 0.00  
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 15 15 0 21  
MONTH TO DATE 614 467 147 506  
SINCE JUN 1 1382 1159 223 1139  
SINCE JAN 1 1812 1373 439 1389    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 33 12:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 114 2017  
MINIMUM TEMPERATURE (F) 65 57 2011  
 
SUNRISE AND SUNSET  
AUGUST 31 2026........SUNRISE 6:23 AM PDT SUNSET 7:17 PM PDT  
SEPTEMBER 1 2026.....SUNRISE 6:24 AM PDT SUNSET 7:16 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page