World Resorts

USA

Charlestown Weather

Charlestown 14 Days Forecast

21.07
tue

Day

72°F

NW 14 mph

Precip.
13%

Night

72°F

N 23 mph

Precip.
55%

22.07
wed

Day

73°F

NE 13 mph

Precip.
57%

Night

68°F

S 8 mph

Precip.
26%

23.07
thu

Day

72°F

E 12 mph

Precip.
2%

Night

64°F

S 6 mph

Precip.
4%

24.07
fri

Day

70°F

NE 6 mph

Precip.
2%

Night

66°F

NW 7 mph

Precip.
20%

25.07
sat

Day

70°F

W 12 mph

Precip.
4%

Night

68°F

NE 5 mph

Precip.
8%

26.07
sun

Day

72°F

NW 6 mph

Precip.
3%

Night

68°F

NE 7 mph

Precip.
7%

27.07
mon

Day

73°F

NE 17 mph

Precip.
9%

Night

70°F

NE 11 mph

Precip.
88%

28.07
tue

Day

73°F

NE 14 mph

Precip.
12%

Night

70°F

N 9 mph

Precip.
18%

29.07
wed

Day

73°F

SW 12 mph

Precip.
10%

Night

68°F

W 6 mph

Precip.
13%

30.07
thu

Day

72°F

W 9 mph

Precip.
8%

Night

66°F

W 6 mph

Precip.
13%

31.07
fri

Day

72°F

W 9 mph

Precip.
7%

Night

70°F

N 6 mph

Precip.
20%

01.08
sat

Day

73°F

NE 17 mph

Precip.
40%

Night

72°F

E 9 mph

Precip.
22%

02.08
sun

Day

77°F

E 11 mph

Precip.
4%

Night

72°F

E 6 mph

Precip.
10%

03.08
mon

Day

75°F

NE 7 mph

Precip.
17%

Night

73°F

NE 11 mph

Precip.
11%

sea water
temperature

Charlestown

monthly
weather

Charlestown

current
weather

Charlestown

7 days
forecast

Charlestown

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in July of 2026 was 68.3°F. The highest and lowest sea temperatures during the month were 70.3°F and 66.4°F.

Show year:

2025

2024

2023

The average sea water temperature in August of 2025 was 69.6°F. The highest and lowest sea temperatures during the month were 72.0°F and 67.8°F.