26.04
sun
sun
Day
70°F
SW 3 mph
Precip.
0%
0%
Night
63°F
SW 14 mph
Precip.
0%
0%
27.04
mon
mon
Day
64°F
SW 10 mph
Precip.
0%
0%
Night
63°F
W 11 mph
Precip.
0%
0%
28.04
tue
tue
Day
70°F
W 9 mph
Precip.
0%
0%
Night
64°F
NW 6 mph
Precip.
0%
0%
29.04
wed
wed
Day
73°F
N 11 mph
Precip.
0%
0%
Night
68°F
N 8 mph
Precip.
0%
0%
30.04
thu
thu
Day
75°F
NE 10 mph
Precip.
80%
80%
Night
59°F
S 6 mph
Precip.
0%
0%
01.05
fri
fri
Day
68°F
W 9 mph
Precip.
0%
0%
Night
64°F
NE 7 mph
Precip.
100%
100%
02.05
sat
sat
Day
68°F
S 11 mph
Precip.
0%
0%
Night
59°F
SW 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| Charleston |
monthly
weather
weather
| Charleston |
current
weather
weather
| Charleston |
14 days
forecast
forecast
| Charleston |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 67.2°F. The highest and lowest sea temperatures during the month were 70.2°F and 63.0°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 75.5°F. The highest and lowest sea temperatures during the month were 78.6°F and 71.6°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: 17:14
April 26, sunday
1800
70°F
SW
11 mph
11 mph
2100
66°F
SW
14 mph
14 mph
April 27, monday
0000
63°F
SW
14 mph
14 mph
0300
59°F
SW
13 mph
13 mph
0600
55°F
S
11 mph
11 mph
0900
57°F
SW
13 mph
13 mph
1200
64°F
SW
10 mph
10 mph
1500
68°F
W
12 mph
12 mph
