609  
CDUS46 KSGX 220024  
CLISNA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
524 PM PDT THU AUG 21 2025  
   
...............................  
 
   
..THE JOHN WAYNE AIRPORT CA CLIMATE SUMMARY FOR AUGUST 21 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88R 2:52 PM 87 2020 81 7 85  
MINIMUM 69 5:56 AM 62 1999 67 2 67  
2005  
AVERAGE 79 74 5 76  
 
PRECIPITATION (IN)  
TODAY 0.00 0.12 2023 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 T 0.05 -0.05 T  
SINCE OCT 1 4.91 11.08 -6.17 14.64  
SINCE JAN 1 4.90 7.70 -2.80 12.54  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 1  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 14 9 5 11  
MONTH TO DATE 156 185 -29 228  
SINCE JUN 1 463 524 -61 619  
SINCE JAN 1 562 620 -58 632    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 37 3:00 PM  
AVERAGE 64  
   
......................................................  
 
THE JOHN WAYNE AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 2020  
MINIMUM TEMPERATURE (F) 67 62 2005  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 6:18 AM PDT SUNSET 7:30 PM PDT  
AUGUST 22 2025........SUNRISE 6:19 AM PDT SUNSET 7:29 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