218  
CDUS46 KSGX 281121  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
321 AM PST FRI NOV 28 2025  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR NOVEMBER 27 2025...  
 
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)  
YESTERDAY  
MAXIMUM 81 2:17 PM 88 2014 71 10 70  
MINIMUM 49 5:28 AM 35 2010 46 3 56  
AVERAGE 65 58 7 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 2019 0.04 -0.04 0.02  
MONTH TO DATE 4.01 0.68 3.33 0.09  
SINCE JUL 1 5.21 1.27 3.94 0.15  
SINCE OCT 1 5.09 1.09 4.00 0.15  
SINCE JAN 1 11.28 9.63 1.65 16.44  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 2  
MONTH TO DATE 80 112 -32 126  
SINCE SEP 1 94 139 -45 139  
SINCE JUL 1 94 139 -45 139  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 64 39 25 0  
SINCE SEP 1 616 593 23 653  
SINCE JAN 1 2005 1966 39 2027    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 6:00 AM  
LOWEST 15 2:00 PM  
AVERAGE 35  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 83 2014  
2021  
MINIMUM TEMPERATURE (F) 46 34 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 28 2025......SUNRISE 6:35 AM PST SUNSET 4:41 PM PST  
NOVEMBER 29 2025......SUNRISE 6:36 AM PST SUNSET 4:41 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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