World Resorts

USA

Charlestown Weather

Charlestown 14 Days Forecast

24.12
wed

Day

41°F

SE 25 mph

Precip.
0%

Night

30°F

S 4 mph

Precip.
0%

25.12
thu

Day

36°F

NE 22 mph

Precip.
0%

Night

32°F

S 20 mph

Precip.
0%

26.12
fri

Day

27°F

S 9 mph

Precip.
0%

Night

28°F

SW 14 mph

Precip.
100%

27.12
sat

Day

32°F

SW 16 mph

Precip.
62%

Night

28°F

S 5 mph

Precip.
0%

28.12
sun

Day

37°F

N 17 mph

Precip.
100%

Night

39°F

E 17 mph

Precip.
84%

29.12
mon

Day

27°F

E 25 mph

Precip.
0%

Night

25°F

E 24 mph

Precip.
0%

30.12
tue

Day

28°F

E 21 mph

Precip.
0%

Night

25°F

SE 19 mph

Precip.
0%

31.12
wed

Day

27°F

E 16 mph

Precip.
0%

Night

32°F

E 18 mph

Precip.
100%

01.01
thu

Day

36°F

E 19 mph

Precip.
100%

Night

18°F

SE 33 mph

Precip.
43%

02.01
fri

Day

16°F

E 33 mph

Precip.
59%

Night

21°F

E 30 mph

Precip.
0%

03.01
sat

Day

21°F

E 24 mph

Precip.
0%

Night

25°F

E 21 mph

Precip.
0%

04.01
sun

Day

34°F

E 21 mph

Precip.
0%

Night

23°F

S 16 mph

Precip.
0%

05.01
mon

Day

23°F

S 11 mph

Precip.
0%

Night

23°F

SW 9 mph

Precip.
0%

06.01
tue

Day

34°F

W 14 mph

Precip.
50%

Night

36°F

SW 20 mph

Precip.
21%

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:

2025

2024

2023

The average sea water temperature in December of 2025 was 47.5°F. The highest and lowest sea temperatures during the month were 51.1°F and 44.2°F.

Show year:

2025

2024

2023

The average sea water temperature in January of 2025 was 42.0°F. The highest and lowest sea temperatures during the month were 45.7°F and 39.4°F.