Measurements:
°C
°F
CURRENT WEATHER
13:13
Groton
84°F
NE 8 mph
Feels like: 84°F
Precip: 0%
World Resorts USA Groton Weather

7 Day Weather Forecast

06.04
thu
DAY
84°F
NE 8 mph
precip
0%
NIGHT
60°F
NE 6 mph
precip
2%
06.05
fri
DAY
74°F
E 9 mph
precip
6%
NIGHT
62°F
NE 6 mph
precip
5%
06.06
sat
DAY
76°F
NE 11 mph
precip
1%
NIGHT
66°F
E 9 mph
precip
23%
06.07
sun
DAY
74°F
E 9 mph
precip
73%
NIGHT
62°F
SW 12 mph
precip
17%
06.08
mon
DAY
62°F
SW 16 mph
precip
11%
NIGHT
52°F
S 10 mph
precip
3%
06.09
tue
DAY
72°F
SW 7 mph
precip
0%
NIGHT
58°F
E 7 mph
precip
2%
06.10
wed
DAY
78°F
SW 7 mph
precip
0%
NIGHT
62°F
NE 6 mph
precip
2%

Groton Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Groton was 16.1°F. The maximum and minimum values were 13.0°F and 18.2°F respectively.

Groton on the Weather Map

Best Time to Visit Groton
The most sunny months:
November 17 days
October 14 days
September 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 36.0 °F
December 39.9 °F
The most rainy months:
November 3 days
July 3 days
December 3 days
The most windy months:
January 10 mph
December 10 mph
March 10 mph
more details