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USA

Charleston Weather

Charleston 14 Days Forecast

26.06
fri

Day

88°F

N 11 mph

Precip.
6%

Night

81°F

NE 12 mph

Precip.
24%

27.06
sat

Day

91°F

NE 9 mph

Precip.
7%

Night

77°F

NE 4 mph

Precip.
23%

28.06
sun

Day

90°F

NE 6 mph

Precip.
4%

Night

77°F

SE 6 mph

Precip.
14%

29.06
mon

Day

88°F

W 6 mph

Precip.
3%

Night

79°F

N 5 mph

Precip.
12%

30.06
tue

Day

86°F

W 12 mph

Precip.
4%

Night

79°F

NW 6 mph

Precip.
13%

01.07
wed

Day

88°F

NW 6 mph

Precip.
4%

Night

79°F

NE 7 mph

Precip.
10%

02.07
thu

Day

91°F

NE 6 mph

Precip.
3%

Night

81°F

E 6 mph

Precip.
23%

03.07
fri

Day

91°F

NE 7 mph

Precip.
3%

Night

82°F

NE 10 mph

Precip.
11%

04.07
sat

Day

90°F

N 9 mph

Precip.
3%

Night

81°F

N 6 mph

Precip.
13%

05.07
sun

Day

91°F

NE 11 mph

Precip.
3%

Night

81°F

NE 6 mph

Precip.
17%

06.07
mon

Day

90°F

NE 11 mph

Precip.
5%

Night

77°F

E 6 mph

Precip.
54%

07.07
tue

Day

91°F

E 10 mph

Precip.
5%

Night

79°F

E 6 mph

Precip.
26%

08.07
wed

Day

81°F

E 2 mph

Precip.
44%

Night

75°F

NW 4 mph

Precip.
83%

09.07
thu

Day

86°F

E 4 mph

Precip.
17%

Night

79°F

NE 9 mph

Precip.
45%

sea water
temperature

Charleston

monthly
weather

Charleston

current
weather

Charleston

7 days
forecast

Charleston

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February
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May
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July
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September
October
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Show year:

2026

2025

2024

The average sea water temperature in June of 2026 was 80.3°F. The highest and lowest sea temperatures during the month were 83.1°F and 76.6°F.

Show year:

2025

2024

2023

The average sea water temperature in July of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 86.9°F and 82.6°F.