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Stonington Weather

Stonington 14 Days Forecast

17.09
thu

Day

72°F

N 9 mph

Precip.
11%

Night

70°F

NE 14 mph

Precip.
24%

18.09
fri

Day

75°F

SE 11 mph

Precip.
8%

Night

61°F

S 16 mph

Precip.
7%

19.09
sat

Day

61°F

W 9 mph

Precip.
12%

Night

63°F

NW 12 mph

Precip.
15%

20.09
sun

Day

68°F

N 21 mph

Precip.
36%

Night

57°F

S 17 mph

Precip.
29%

21.09
mon

Day

63°F

SW 13 mph

Precip.
13%

Night

59°F

W 14 mph

Precip.
18%

22.09
tue

Day

61°F

W 20 mph

Precip.
27%

Night

59°F

W 24 mph

Precip.
56%

23.09
wed

Day

63°F

W 25 mph

Precip.
70%

Night

66°F

W 17 mph

Precip.
49%

24.09
thu

Day

68°F

NW 7 mph

Precip.
34%

Night

68°F

NE 12 mph

Precip.
85%

25.09
fri

Day

64°F

E 19 mph

Precip.
4%

Night

55°F

SE 21 mph

Precip.
5%

26.09
sat

Day

59°F

SE 15 mph

Precip.
4%

Night

52°F

SE 14 mph

Precip.
4%

27.09
sun

Day

64°F

SE 11 mph

Precip.
3%

Night

63°F

E 6 mph

Precip.
7%

28.09
mon

Day

66°F

E 13 mph

Precip.
5%

Night

66°F

NE 12 mph

Precip.
26%

29.09
tue

Day

68°F

E 12 mph

Precip.
5%

Night

66°F

E 10 mph

Precip.
11%

30.09
wed

Day

68°F

E 11 mph

Precip.
19%

Night

66°F

SE 14 mph

Precip.
9%

sea water
temperature

Stonington

monthly
weather

Stonington

current
weather

Stonington

7 days
forecast

Stonington

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in September of 2026 was 69.0°F. The highest and lowest sea temperatures during the month were 70.3°F and 67.8°F.

Show year:

2025

2024

2023

The average sea water temperature in October of 2025 was 64.5°F. The highest and lowest sea temperatures during the month were 68.7°F and 60.3°F.