Measurements:
°C
°F
CURRENT WEATHER
15:12
Charleston
88°F
NE 6 mph
Feels like: 100°F
Precip: 15%
World Resorts USA Charleston Weather

14 Day Weather Forecast

08.05
wed
DAY
90°F
NE 9 mph
precip
10%
NIGHT
86°F
NW 7 mph
precip
9%
08.06
thu
DAY
92°F
N 7 mph
precip
57%
NIGHT
84°F
N 7 mph
precip
13%
08.07
fri
DAY
92°F
N 7 mph
precip
10%
NIGHT
84°F
N 7 mph
precip
8%
08.08
sat
DAY
92°F
N 8 mph
precip
12%
NIGHT
84°F
N 8 mph
precip
9%
08.09
sun
DAY
94°F
N 8 mph
precip
9%
NIGHT
86°F
N 9 mph
precip
9%
08.10
mon
DAY
92°F
NE 11 mph
precip
6%
NIGHT
86°F
NE 11 mph
precip
36%
08.11
tue
DAY
96°F
NE 10 mph
precip
4%
NIGHT
88°F
NE 9 mph
precip
22%
08.12
wed
DAY
96°F
NE 11 mph
precip
4%
NIGHT
88°F
NE 9 mph
precip
29%
08.13
thu
DAY
96°F
NE 11 mph
precip
17%
NIGHT
82°F
NE 9 mph
precip
14%
08.14
fri
DAY
92°F
NE 11 mph
precip
4%
NIGHT
82°F
NE 10 mph
precip
15%
08.15
sat
DAY
86°F
E 7 mph
precip
8%
NIGHT
84°F
NE 11 mph
precip
11%
08.16
sun
DAY
84°F
NE 8 mph
precip
29%
NIGHT
82°F
NE 9 mph
precip
11%
08.17
mon
DAY
88°F
NE 11 mph
precip
5%
NIGHT
78°F
NE 10 mph
precip
28%
08.18
tue
DAY
90°F
NE 9 mph
precip
4%
NIGHT
84°F
N 9 mph
precip
19%

Charleston Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Charleston was 87.9°F. The maximum and minimum values were 85.6°F and 91.0°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:
July 87.6 °F
August 87.5 °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 +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
all resorts
24 Hours Weather Forecast
Charleston
Local time: 15:12
05 aug, wednesday
1800 88°F
N
8 mph
2100 84°F
N
6 mph
06 aug, thursday
0000 86°F
NW
7 mph
0300 82°F
N
6 mph
0600 80°F
N
6 mph
0900 86°F
N
5 mph
1200 92°F
N
7 mph
1500 92°F
N
9 mph