179  
CDUS42 KCHS 152118  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
518 PM EDT SAT AUG 15 2026  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 15 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 92 1210 PM 99 1918 87 5 89  
MINIMUM 79 530 AM 66 2013 77 2 81  
AVERAGE 86 82 4 85  
 
PRECIPITATION (IN)  
TODAY 0.00 3.65 2010 0.20 -0.20 0.00  
MONTH TO DATE 1.96 2.83 -0.87 4.07  
SINCE JUN 1 8.69 12.76 -4.07 10.47  
SINCE JAN 1 15.35 26.45 -11.10 22.18  
 
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 17 4 20  
MONTH TO DATE 281 255 26 235  
SINCE JUN 1 1374 1219 155 1338  
SINCE JAN 1 1858 1606 252 1853    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 6.1  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 97 1954  
MINIMUM TEMPERATURE (F) 77 68 1894  
1983  
 
SUNRISE AND SUNSET  
AUGUST 15 2026........SUNRISE 643 AM EDT SUNSET 805 PM EDT  
AUGUST 16 2026........SUNRISE 644 AM EDT SUNSET 804 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