852  
CDUS44 KEWX 212234  
CLISAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
534 PM CDT THU AUG 21 2025  
   
...............................
 
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR AUGUST 21 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1886 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 12:03 PM 108 2024 96 -6 108  
MINIMUM 76 5:21 AM 64 1940 75 1 81  
AVERAGE 83 85 -2 95  
 
PRECIPITATION (IN)  
TODAY 0.00 1.09 1919 0.08 -0.08 0.00  
MONTH TO DATE 0.06 1.17 -1.11 0.03  
SINCE JUN 1 8.72 6.86 1.86 6.98  
SINCE JAN 1 20.31 19.69 0.62 19.48  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 18 20 -2 30  
MONTH TO DATE 484 438 46 522  
SINCE JUN 1 1676 1578 98 1810  
SINCE JAN 1 2713 2203 510 2712    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 7:00 AM  
LOWEST 52 11:00 AM  
AVERAGE 63  
   
......................................................
 
 
THE SAN ANTONIO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 96 106 2024  
MINIMUM TEMPERATURE (F) 75 63 1946  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 7:05 AM CDT SUNSET 8:08 PM CDT  
AUGUST 22 2025........SUNRISE 7:06 AM CDT SUNSET 8:07 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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