26.02
thu
thu
Day
39°F
SE 4 mph
Precip.
0%
0%
Night
30°F
S 6 mph
Precip.
0%
0%
27.02
fri
fri
Day
36°F
NE 6 mph
Precip.
0%
0%
Night
30°F
NE 6 mph
Precip.
0%
0%
28.02
sat
sat
Day
34°F
NE 9 mph
Precip.
0%
0%
Night
34°F
S 7 mph
Precip.
0%
0%
01.03
sun
sun
Day
32°F
S 9 mph
Precip.
0%
0%
Night
23°F
S 12 mph
Precip.
0%
0%
02.03
mon
mon
Day
25°F
SE 9 mph
Precip.
0%
0%
Night
19°F
S 5 mph
Precip.
0%
0%
03.03
tue
tue
Day
28°F
N 7 mph
Precip.
0%
0%
Night
32°F
NW 7 mph
Precip.
100%
100%
04.03
wed
wed
Day
41°F
E 15 mph
Precip.
0%
0%
Night
34°F
E 3 mph
Precip.
0%
0%
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 34.8°F. The highest and lowest sea temperatures during the month were 36.0°F and 34.0°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 40.1°F. The highest and lowest sea temperatures during the month were 42.8°F and 37.8°F.
Air temperature in Groton, °F
Precipitation total in Groton, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Groton
Groton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 13:26
February 26, thursday
1500
41°F
E
4 mph
4 mph
1800
36°F
SE
2 mph
2 mph
2100
32°F
S
6 mph
6 mph
February 27, friday
0000
30°F
S
6 mph
6 mph
0300
28°F
S
5 mph
5 mph
0600
27°F
S
4 mph
4 mph
0900
28°F
SE
2 mph
2 mph
1200
36°F
NE
6 mph
6 mph
