254  
CDUS44 KEWX 202239  
CLISAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
539 PM CDT WED AUG 20 2025  
   
...............................
 
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR AUGUST 20 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 98 3:28 PM 107 1909 96 2 105  
MINIMUM 73 5:59 AM 65 1940 75 -2 79  
AVERAGE 86 85 1 92  
 
PRECIPITATION (IN)  
TODAY 0.00 4.51 1886 0.07 -0.07 0.00  
MONTH TO DATE 0.06 1.09 -1.03 0.03  
SINCE JUN 1 8.72 6.78 1.94 6.98  
SINCE JAN 1 20.31 19.61 0.70 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 21 20 1 27  
MONTH TO DATE 466 418 48 492  
SINCE JUN 1 1658 1558 100 1780  
SINCE JAN 1 2695 2183 512 2682    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE SAN ANTONIO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 96 108 2024  
MINIMUM TEMPERATURE (F) 75 64 1940  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 7:05 AM CDT SUNSET 8:09 PM CDT  
AUGUST 21 2025........SUNRISE 7:05 AM CDT SUNSET 8:08 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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