846  
CDUS42 KCHS 120603  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
203 AM EDT WED AUG 12 2026  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 11 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 140 PM 97 1954 87 7 82  
MINIMUM 78 1200 AM 67 1989 77 1 75  
AVERAGE 86 82 4 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 7.66 1940 0.19 -0.19 1.19  
MONTH TO DATE 1.80 2.06 -0.26 4.07  
SINCE JUN 1 8.53 11.99 -3.46 10.47  
SINCE JAN 1 15.19 25.68 -10.49 22.18  
 
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 21 17 4 14  
MONTH TO DATE 197 187 10 156  
SINCE JUN 1 1290 1151 139 1259  
SINCE JAN 1 1774 1538 236 1774    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.3  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 98 1998  
MINIMUM TEMPERATURE (F) 77 66 1967  
 
SUNRISE AND SUNSET  
AUGUST 12 2026........SUNRISE 641 AM EDT SUNSET 808 PM EDT  
AUGUST 13 2026........SUNRISE 642 AM EDT SUNSET 807 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SC Page
The Nexlab GA Page Main Text Page