29.10
thu
thu
Day

61°F
NE 11 mph
Precip.
8%
8%
Night

61°F
NE 16 mph
Precip.
13%
13%
30.10
fri
fri
Day

64°F
E 11 mph
Precip.
6%
6%
Night

50°F
SE 15 mph
Precip.
10%
10%
31.10
sat
sat
Day

50°F
S 9 mph
Precip.
2%
2%
Night

48°F
S 5 mph
Precip.
13%
13%
01.11
sun
sun
Day

54°F
NE 9 mph
Precip.
10%
10%
Night

54°F
E 9 mph
Precip.
4%
4%
02.11
mon
mon
Day

59°F
E 16 mph
Precip.
10%
10%
Night

55°F
E 8 mph
Precip.
22%
22%
03.11
tue
tue
Day

61°F
NE 3 mph
Precip.
21%
21%
Night

57°F
NW 5 mph
Precip.
18%
18%
04.11
wed
wed
Day

61°F
N 6 mph
Precip.
18%
18%
Night

59°F
NW 6 mph
Precip.
18%
18%
05.11
thu
thu
Day

63°F
NW 10 mph
Precip.
26%
26%
Night

59°F
NW 11 mph
Precip.
26%
26%
06.11
fri
fri
Day

61°F
NE 4 mph
Precip.
56%
56%
Night

55°F
S 12 mph
Precip.
73%
73%
07.11
sat
sat
Day

54°F
S 16 mph
Precip.
49%
49%
Night

48°F
S 14 mph
Precip.
14%
14%
08.11
sun
sun
Day

52°F
S 9 mph
Precip.
3%
3%
Night

43°F
S 9 mph
Precip.
7%
7%
09.11
mon
mon
Day

50°F
NW 3 mph
Precip.
2%
2%
Night

48°F
SW 2 mph
Precip.
9%
9%
10.11
tue
tue
Day

54°F
W 9 mph
Precip.
27%
27%
Night

52°F
NW 4 mph
Precip.
26%
26%
11.11
wed
wed
Day

57°F
SW 4 mph
Precip.
18%
18%
Night

52°F
S 11 mph
Precip.
31%
31%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 63.2°F. The highest and lowest sea temperatures during the month were 67.3°F and 59.9°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 55.2°F. The highest and lowest sea temperatures during the month were 60.1°F and 50.9°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: 12:37
October 29, thursday
1500

63°F
NE
13 mph
13 mph
1800

61°F
NE
16 mph
16 mph
2100

61°F
NE
16 mph
16 mph
October 30, friday
0000

61°F
NE
16 mph
16 mph
0300

61°F
NE
16 mph
16 mph
0600

61°F
NE
16 mph
16 mph
0900

61°F
E
14 mph
14 mph
1200

64°F
E
11 mph
11 mph




























