World Resorts

USA

Charlestown Weather

Charlestown 14 Days Forecast

18.03
wed

Day

34°F

S 8 mph

Precip.
0%

Night

32°F

N 6 mph

Precip.
0%

19.03
thu

Day

36°F

NW 10 mph

Precip.
0%

Night

37°F

NE 9 mph

Precip.
0%

20.03
fri

Day

41°F

NE 9 mph

Precip.
0%

Night

41°F

N 17 mph

Precip.
100%

21.03
sat

Day

43°F

SW 3 mph

Precip.
0%

Night

41°F

W 7 mph

Precip.
80%

22.03
sun

Day

45°F

NE 11 mph

Precip.
0%

Night

41°F

SW 3 mph

Precip.
61%

23.03
mon

Day

34°F

SW 21 mph

Precip.
100%

Night

32°F

S 13 mph

Precip.
0%

24.03
tue

Day

34°F

S 15 mph

Precip.
0%

Night

36°F

NE 11 mph

Precip.
0%

25.03
wed

Day

39°F

E 21 mph

Precip.
0%

Night

34°F

NE 13 mph

Precip.
0%

26.03
thu

Day

37°F

NW 13 mph

Precip.
0%

Night

46°F

NE 30 mph

Precip.
0%

27.03
fri

Day

48°F

NE 28 mph

Precip.
0%

Night

36°F

NE 19 mph

Precip.
100%

28.03
sat

Day

27°F

S 20 mph

Precip.
100%

Night

19°F

SE 17 mph

Precip.
89%

29.03
sun

Day

32°F

E 20 mph

Precip.
100%

Night

21°F

SE 17 mph

Precip.
0%

30.03
mon

Day

21°F

SE 19 mph

Precip.
0%

Night

19°F

SE 16 mph

Precip.
0%

31.03
tue

Day

27°F

SE 17 mph

Precip.
0%

Night

30°F

SE 12 mph

Precip.
0%

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 March of 2026 was 36.9°F. The highest and lowest sea temperatures during the month were 38.7°F and 35.2°F.

Show year:

2025

2024

2023

The average sea water temperature in April of 2025 was 44.2°F. The highest and lowest sea temperatures during the month were 47.3°F and 41.7°F.