Monthly Historical AveragesGroton, CT
Average Temperature
High
18°
Feels 18
Low
10°
Feels 9
Average Precipitation
12 Days
75.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, May 6, 2026
Day
16°Feels 14
Wind
36 km/h S
Gust
56 km/h
Humidity
72%
P.O.P
60%
Rain
1-3 mm
Night
11°Feels 9
Wind
32 km/h S
Gust
47 km/h
Humidity
94%
P.O.P
80%
Rain
~5 mm
Historical AveragesMay 6
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity