670  
CDUS44 KEWX 182235  
CLISAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
535 PM CDT MON AUG 18 2025  
   
...............................  
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR AUGUST 18 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 101 3:54 PM 105 1909 96 5 101  
MINIMUM 78 6:46 AM 64 1992 75 3 79  
AVERAGE 90 86 4 90  
 
PRECIPITATION (IN)  
TODAY 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)  
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 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 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 96 108 1986  
MINIMUM TEMPERATURE (F) 75 67 1992  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 7:04 AM CDT SUNSET 8:11 PM CDT  
AUGUST 19 2025........SUNRISE 7:04 AM CDT SUNSET 8:10 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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