791  
CDUS44 KEWX 190657  
CLISAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
157 AM CDT TUE AUG 19 2025  
   
...............................
 
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR AUGUST 18 2025
 
 
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)  
YESTERDAY  
MAXIMUM 101 5:37 PM 105 1909 96 5 101  
MINIMUM 78 6:46 AM 64 1992 75 3 79  
AVERAGE 90 86 4 90  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.86 1932 0.07 -0.07 0.00  
MONTH TO DATE 0.06 0.95 -0.89 0.03  
SINCE JUN 1 8.72 6.64 2.08 6.98  
SINCE JAN 1 20.31 19.47 0.84 19.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 25 21 4 25  
MONTH TO DATE 423 378 45 440  
SINCE JUN 1 1615 1518 97 1728  
SINCE JAN 1 2652 2143 509 2630    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 28 4:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE SAN ANTONIO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 96 108 1986  
MINIMUM TEMPERATURE (F) 75 67 1992  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 7:04 AM CDT SUNSET 8:10 PM CDT  
AUGUST 20 2025........SUNRISE 7:05 AM CDT SUNSET 8:09 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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