Measurements:
°C
°F
Plymouth
92°F
NE 11 mph
Feels like: 96°F
Precip: 1%
World Resorts USA Plymouth Weather

7 Day Weather Forecast

08.05
wed
DAY
90°F
NE 7 mph
precip
3%
NIGHT
70°F
NE 7 mph
precip
8%
08.06
thu
DAY
92°F
NE 10 mph
precip
15%
NIGHT
76°F
NE 7 mph
precip
16%
08.07
fri
DAY
96°F
NE 7 mph
precip
3%
NIGHT
76°F
NE 4 mph
precip
35%
08.08
sat
DAY
86°F
NE 6 mph
precip
36%
NIGHT
74°F
NE 5 mph
precip
27%
08.09
sun
DAY
92°F
E 6 mph
precip
2%
NIGHT
78°F
NE 7 mph
precip
9%
08.10
mon
DAY
92°F
NE 9 mph
precip
3%
NIGHT
76°F
NE 7 mph
precip
71%
08.11
tue
DAY
86°F
N 9 mph
precip
12%
NIGHT
68°F
NW 3 mph
precip
19%

Plymouth Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Plymouth was 19.6°F. The maximum and minimum values were 18.3°F and 21.6°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 80.3 °F
June 76.6 °F
Warmest sea temperature:
August 69.8 °F
July 69.4 °F
September 66.9 °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