Measurements:
°C
°F
CURRENT WEATHER
13:04
Groton
60°F
NW 9 mph
Feels like: 60°F
Precip: 100%
World Resorts USA Groton Weather

14 Day Weather Forecast

05.14
thu
DAY
60°F
NW 9 mph
precip
100%
NIGHT
52°F
SE 3 mph
precip
77%
05.15
fri
DAY
56°F
S 9 mph
precip
100%
NIGHT
48°F
E 6 mph
precip
0%
05.16
sat
DAY
62°F
NE 12 mph
precip
0%
NIGHT
56°F
NE 8 mph
precip
0%
05.17
sun
DAY
64°F
E 8 mph
precip
100%
NIGHT
60°F
S 5 mph
precip
0%
05.18
mon
DAY
66°F
NW 9 mph
precip
0%
NIGHT
52°F
NW 6 mph
precip
0%
05.19
tue
DAY
64°F
N 8 mph
precip
0%
NIGHT
58°F
NE 7 mph
precip
0%
05.20
wed
DAY
70°F
NE 11 mph
precip
0%
NIGHT
58°F
SE 10 mph
precip
100%
05.21
thu
DAY
60°F
NE 4 mph
precip
0%
NIGHT
52°F
NE 8 mph
precip
0%
05.22
fri
DAY
68°F
E 15 mph
precip
0%
NIGHT
52°F
S 9 mph
precip
0%
05.23
sat
DAY
60°F
N 7 mph
precip
0%
NIGHT
56°F
N 9 mph
precip
0%
05.24
sun
DAY
68°F
NE 9 mph
precip
30%
NIGHT
58°F
W 14 mph
precip
49%
05.25
mon
DAY
58°F
W 12 mph
precip
0%
NIGHT
56°F
NW 6 mph
precip
22%
05.26
tue
DAY
68°F
N 11 mph
precip
0%
NIGHT
64°F
NE 17 mph
precip
100%
05.27
wed
DAY
62°F
NE 11 mph
precip
100%
NIGHT
58°F
E 10 mph
precip
50%

Groton Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Groton was 52.6°F. The maximum and minimum values were 47.8°F and 56.2°F respectively.

Groton on the Weather Map

Best Time to Visit Groton
The most sunny months:
November 17 days
October 14 days
December 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
USA Resorts:
NAME
F°
Boston +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
all resorts
24 Hours Weather Forecast
Groton
Local time: 13:04
14 may, thursday
1500 62°F
NW
7 mph
1800 58°F
NE
3 mph
2100 54°F
E
4 mph
15 may, friday
0000 52°F
SE
3 mph
0300 52°F
SE
4 mph
0600 52°F
SE
6 mph
0900 54°F
S
7 mph
1200 56°F
S
9 mph