World Resorts

USA

Groton Weather

Groton 14 Days Forecast

23.12
tue

Day

36°F

N 8 mph

Precip.
0%

Night

36°F

E 14 mph

Precip.
0%

24.12
wed

Day

43°F

SE 23 mph

Precip.
0%

Night

30°F

E 3 mph

Precip.
0%

25.12
thu

Day

36°F

E 17 mph

Precip.
0%

Night

28°F

SE 16 mph

Precip.
0%

26.12
fri

Day

23°F

S 12 mph

Precip.
0%

Night

23°F

SW 12 mph

Precip.
100%

27.12
sat

Day

28°F

SW 12 mph

Precip.
0%

Night

30°F

W 9 mph

Precip.
0%

28.12
sun

Day

39°F

NE 9 mph

Precip.
100%

Night

30°F

E 19 mph

Precip.
0%

29.12
mon

Day

27°F

E 21 mph

Precip.
68%

Night

21°F

SE 19 mph

Precip.
0%

30.12
tue

Day

23°F

SE 16 mph

Precip.
0%

Night

23°F

SE 14 mph

Precip.
0%

31.12
wed

Day

28°F

E 9 mph

Precip.
0%

Night

28°F

E 9 mph

Precip.
0%

01.01
thu

Day

36°F

NE 16 mph

Precip.
49%

Night

36°F

E 7 mph

Precip.
49%

02.01
fri

Day

41°F

NE 12 mph

Precip.
0%

Night

37°F

E 8 mph

Precip.
59%

03.01
sat

Day

39°F

SE 9 mph

Precip.
100%

Night

21°F

SE 17 mph

Precip.
0%

04.01
sun

Day

14°F

SE 22 mph

Precip.
28%

Night

5°F

SE 19 mph

Precip.
0%

05.01
mon

Day

10°F

SE 16 mph

Precip.
0%

Night

10°F

S 11 mph

Precip.
0%

sea water
temperature

Groton

monthly
weather

Groton

current
weather

Groton

7 days
forecast

Groton

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 47.2°F. The highest and lowest sea temperatures during the month were 50.7°F and 43.7°F.

Show year:

2025

2024

2023

The average sea water temperature in January of 2025 was 41.1°F. The highest and lowest sea temperatures during the month were 44.6°F and 38.3°F.