216  
CDUS46 KSGX 220024  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
524 PM PDT SUN SEP 21 2025  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 21 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 2:30 PM 98 2021 81 -3 74  
MINIMUM 64 6:20 AM 53 2007 63 1 57  
AVERAGE 71 72 -1 66  
 
PRECIPITATION (IN)  
TODAY T R T 2015 0.01 -0.01 0.00  
2015  
2017  
MONTH TO DATE 0.26 0.10 0.16 0.02  
SINCE JUL 1 0.33 0.18 0.15 0.03  
SINCE OCT 1 5.62 10.95 -5.33 12.63  
SINCE JAN 1 5.50 7.89 -2.39 11.48  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 1 -1 1  
 
COOLING  
TODAY 6 7 -1 1  
MONTH TO DATE 191 171 20 188  
SINCE SEP 1 191 171 20 188  
SINCE JAN 1 771 817 -46 810    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 56 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2021  
MINIMUM TEMPERATURE (F) 63 57 2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 6:36 AM PDT SUNSET 6:46 PM PDT  
SEPTEMBER 22 2025.....SUNRISE 6:37 AM PDT SUNSET 6:45 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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