13.01
tue
tue
Day
41°F
NE 12 mph
Precip.
0%
0%
Night
41°F
NE 17 mph
Precip.
0%
0%
14.01
wed
wed
Day
45°F
NE 10 mph
Precip.
0%
0%
Night
39°F
N 2 mph
Precip.
100%
100%
15.01
thu
thu
Day
30°F
NE 11 mph
Precip.
0%
0%
Night
25°F
E 15 mph
Precip.
83%
83%
16.01
fri
fri
Day
25°F
SE 22 mph
Precip.
0%
0%
Night
32°F
NE 16 mph
Precip.
0%
0%
17.01
sat
sat
Day
39°F
NE 12 mph
Precip.
0%
0%
Night
37°F
N 5 mph
Precip.
26%
26%
18.01
sun
sun
Day
39°F
E 7 mph
Precip.
0%
0%
Night
30°F
SE 11 mph
Precip.
0%
0%
19.01
mon
mon
Day
28°F
SE 16 mph
Precip.
0%
0%
Night
28°F
E 14 mph
Precip.
0%
0%
Sea water temperature in January, °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.
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: 06:14
January 13, tuesday
0900
32°F
E
12 mph
12 mph
1200
41°F
NE
12 mph
12 mph
1500
39°F
NE
11 mph
11 mph
1800
39°F
NE
11 mph
11 mph
2100
39°F
N
16 mph
16 mph
January 14, wednesday
0000
41°F
NE
17 mph
17 mph
0300
41°F
NE
14 mph
14 mph
0600
41°F
NE
12 mph
12 mph
