05.08
wed
wed
Day
86°F
NE 9 mph
Precip.
10%
10%
Night
82°F
NW 7 mph
Precip.
9%
9%
06.08
thu
thu
Day
88°F
N 7 mph
Precip.
57%
57%
Night
81°F
N 7 mph
Precip.
13%
13%
07.08
fri
fri
Day
88°F
N 7 mph
Precip.
10%
10%
Night
81°F
N 7 mph
Precip.
8%
8%
08.08
sat
sat
Day
88°F
N 8 mph
Precip.
12%
12%
Night
81°F
N 8 mph
Precip.
9%
9%
09.08
sun
sun
Day
90°F
N 8 mph
Precip.
9%
9%
Night
82°F
N 9 mph
Precip.
9%
9%
10.08
mon
mon
Day
88°F
NE 11 mph
Precip.
6%
6%
Night
82°F
NE 11 mph
Precip.
36%
36%
11.08
tue
tue
Day
91°F
NE 10 mph
Precip.
4%
4%
Night
84°F
NE 9 mph
Precip.
22%
22%
12.08
wed
wed
Day
91°F
NE 11 mph
Precip.
4%
4%
Night
84°F
NE 9 mph
Precip.
29%
29%
13.08
thu
thu
Day
91°F
NE 11 mph
Precip.
17%
17%
Night
79°F
NE 9 mph
Precip.
14%
14%
14.08
fri
fri
Day
88°F
NE 11 mph
Precip.
4%
4%
Night
79°F
NE 10 mph
Precip.
15%
15%
15.08
sat
sat
Day
82°F
E 7 mph
Precip.
8%
8%
Night
81°F
NE 11 mph
Precip.
11%
11%
16.08
sun
sun
Day
81°F
NE 8 mph
Precip.
29%
29%
Night
79°F
NE 9 mph
Precip.
11%
11%
17.08
mon
mon
Day
84°F
NE 11 mph
Precip.
5%
5%
Night
75°F
NE 10 mph
Precip.
28%
28%
18.08
tue
tue
Day
86°F
NE 9 mph
Precip.
4%
4%
Night
81°F
N 9 mph
Precip.
19%
19%
sea water
temperature
temperature
| Charleston |
monthly
weather
weather
| Charleston |
current
weather
weather
| Charleston |
7 days
forecast
forecast
| Charleston |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 86.9°F and 82.0°F.
Air temperature in Charleston, °F
Precipitation total in Charleston, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Charleston
Charleston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charleston
Local time: 13:25
August 05, wednesday
1500
84°F
NE
6 mph
6 mph
1800
84°F
N
8 mph
8 mph
2100
81°F
N
6 mph
6 mph
August 06, thursday
0000
82°F
NW
7 mph
7 mph
0300
79°F
N
6 mph
6 mph
0600
77°F
N
6 mph
6 mph
0900
82°F
N
5 mph
5 mph
1200
88°F
N
7 mph
7 mph
