Measurements:
°C
°F
CURRENT WEATHER
17:55
Charleston
88°F
W 9 mph
Feels like: 94°F
Precip: 7%
World Resorts USA Charleston Weather

14 Day Weather Forecast

08.25
tue
DAY
88°F
N 6 mph
precip
21%
NIGHT
82°F
W 4 mph
precip
22%
08.26
wed
DAY
96°F
N 6 mph
precip
19%
NIGHT
82°F
NE 6 mph
precip
20%
08.27
thu
DAY
96°F
NE 8 mph
precip
2%
NIGHT
82°F
N 6 mph
precip
12%
08.28
fri
DAY
96°F
NE 8 mph
precip
6%
NIGHT
80°F
S 2 mph
precip
34%
08.29
sat
DAY
94°F
NW 7 mph
precip
7%
NIGHT
82°F
NW 4 mph
precip
25%
08.30
sun
DAY
94°F
NW 7 mph
precip
12%
NIGHT
86°F
N 8 mph
precip
15%
08.31
mon
DAY
96°F
N 7 mph
precip
10%
NIGHT
84°F
NE 9 mph
precip
10%
09.01
tue
DAY
96°F
NE 9 mph
precip
2%
NIGHT
86°F
NE 11 mph
precip
9%
09.02
wed
DAY
98°F
NE 9 mph
precip
2%
NIGHT
80°F
NE 12 mph
precip
34%
09.03
thu
DAY
92°F
SE 7 mph
precip
3%
NIGHT
82°F
NW 6 mph
precip
22%
09.04
fri
DAY
80°F
SE 4 mph
precip
16%
NIGHT
86°F
N 12 mph
precip
19%
09.05
sat
DAY
88°F
E 9 mph
precip
14%
NIGHT
80°F
E 6 mph
precip
27%
09.06
sun
DAY
86°F
S 10 mph
precip
1%
NIGHT
76°F
SW 5 mph
precip
4%
09.07
mon
DAY
86°F
W 4 mph
precip
4%
NIGHT
78°F
N 6 mph
precip
4%

Charleston Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Charleston was 89.6°F. The maximum and minimum values were 88.2°F and 91.8°F respectively.

Charleston on the Weather Map

Best Time to Visit Charleston
The most sunny months:
April 16 days
May 16 days
October 15 days
The most warm months:
July 93.9 °F
August 91.8 °F
June 90.2 °F
Warmest sea temperature:
August 87.6 °F
July 87.6 °F
September 84.5 °F
The most cold months:
January 56.4 °F
February 61.0 °F
December 61.7 °F
The most rainy months:
August 9 days
July 8 days
September 6 days
The most windy months:
March 9 mph
April 9 mph
February 9 mph
more details
USA Resorts:
NAME
F°
Boston +80
Chicago +78
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +90
Myrtle Beach +84
New York +86
San Diego +96
San Francisco +74
Santa Monica +86
Sarasota +92
Washington +88
all resorts
24 Hours Weather Forecast
Charleston
Local time: 17:55
25 aug, tuesday
1800 88°F
W
9 mph
2100 82°F
W
5 mph
26 aug, wednesday
0000 82°F
W
4 mph
0300 78°F
NW
2 mph
0600 78°F
N
0 mph
0900 84°F
E
4 mph
1200 96°F
N
6 mph
1500 96°F
N
11 mph