Measurements:
°C
°F
Plymouth
54°F
E 11 mph
Feels like: 52°F
Precip: 2%
World Resorts USA Plymouth Weather

7 Day Weather Forecast

10.05
mon
DAY
70°F
E 11 mph
precip
3%
NIGHT
48°F
E 8 mph
precip
4%
10.06
tue
DAY
56°F
SE 11 mph
precip
1%
NIGHT
44°F
E 6 mph
precip
3%
10.07
wed
DAY
64°F
NE 11 mph
precip
1%
NIGHT
58°F
NE 12 mph
precip
22%
10.08
thu
DAY
74°F
NE 16 mph
precip
4%
NIGHT
56°F
E 6 mph
precip
5%
10.09
fri
DAY
64°F
E 14 mph
precip
1%
NIGHT
50°F
E 8 mph
precip
4%
10.10
sat
DAY
60°F
SE 9 mph
precip
1%
NIGHT
50°F
S 2 mph
precip
13%
10.11
sun
DAY
66°F
NE 12 mph
precip
12%
NIGHT
60°F
NE 6 mph
precip
45%

Plymouth Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Plymouth was 14.8°F. The maximum and minimum values were 12.8°F and 17.4°F respectively.

Plymouth on the Weather Map

Best Time to Visit Plymouth
The most sunny months:
November 15 days
December 13 days
June 13 days
The most warm months:
July 82.6 °F
August 81.1 °F
June 76.6 °F
Warmest sea temperature:
August 69.9 °F
July 69.4 °F
September 66.8 °F
The most cold months:
January 34.1 °F
February 35.3 °F
December 39.6 °F
The most rainy months:
October 4 days
April 3 days
July 2 days
The most windy months:
March 11 mph
January 11 mph
December 10 mph