Measurements:
°C
°F
CURRENT WEATHER
08:22
Groton
32°F
SE 5 mph
Feels like: 28°F
Precip: 0%
World Resorts USA Groton Weather

7 Day Weather Forecast

02.21
sat
DAY
38°F
E 4 mph
precip
0%
NIGHT
30°F
W 11 mph
precip
0%
02.22
sun
DAY
34°F
W 15 mph
precip
0%
NIGHT
28°F
SW 27 mph
precip
0%
02.23
mon
DAY
26°F
S 30 mph
precip
100%
NIGHT
22°F
SE 16 mph
precip
0%
02.24
tue
DAY
30°F
SE 11 mph
precip
0%
NIGHT
22°F
E 7 mph
precip
0%
02.25
wed
DAY
34°F
N 7 mph
precip
77%
NIGHT
34°F
NE 10 mph
precip
57%
02.26
thu
DAY
36°F
N 6 mph
precip
100%
NIGHT
34°F
NW 6 mph
precip
100%
02.27
fri
DAY
34°F
SW 18 mph
precip
100%
NIGHT
30°F
SE 16 mph
precip
100%

Groton Sea Water Temperature in February, °F

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Groton was 1.6°F. The maximum and minimum values were 1.1°F and 2.2°F respectively.

Groton on the Weather Map

Best Time to Visit Groton
The most sunny months:
November 17 days
October 14 days
December 13 days
The most warm months:
July 83.2 °F
August 81.4 °F
June 76.1 °F
Warmest sea temperature:
August 72.9 °F
July 71.2 °F
September 70.9 °F
The most cold months:
January 34.6 °F
February 36.7 °F
December 39.9 °F
The most rainy months:
July 3 days
November 3 days
October 3 days
The most windy months:
January 10 mph
December 10 mph
March 10 mph
more details