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Hourly
7 Days
14 Days
Monthly
°C
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°Celsius
°Fahrenheit
Monthly Historical Averages
Groton/New London, CT
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
0°
2
-2°
3
-2°
4
-1°
5
-3°
6
4°
7
6°
8
6°
9
6°
10
7°
11
5°
12
3°
13
3°
14
3°
15
2°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 1, 2026
Day
0°
Feels -7
Wind
37 km/h NW
Gust
67 km/h
Humidity
42%
P.O.P
40%
Snow
<1 cm
Night
-8°
Feels -16
Wind
25 km/h W
Gust
41 km/h
Humidity
67%
P.O.P
30%
Historical Averages
Jan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
3°
Feels 0
Low
-5°
Feels -9
Average Precipitation
10 Days
Rain amount
43.4mm
Snow amount
38.5cm