Measurements:
°C
°F
CURRENT WEATHER
17:35
Plymouth
82°F
E 7 mph
Feels like: 84°F
Precip: 2%
World Resorts USA Plymouth Weather

7 Day Weather Forecast

08.25
tue
DAY
86°F
NE 9 mph
precip
2%
NIGHT
68°F
E 7 mph
precip
9%
08.26
wed
DAY
80°F
SE 2 mph
precip
1%
NIGHT
68°F
NE 7 mph
precip
8%
08.27
thu
DAY
84°F
NE 10 mph
precip
10%
NIGHT
72°F
N 7 mph
precip
27%
08.28
fri
DAY
86°F
W 4 mph
precip
9%
NIGHT
72°F
E 6 mph
precip
31%
08.29
sat
DAY
76°F
S 5 mph
precip
10%
NIGHT
62°F
NE 7 mph
precip
39%
08.30
sun
DAY
82°F
NE 7 mph
precip
4%
NIGHT
68°F
NE 4 mph
precip
69%
08.31
mon
DAY
80°F
SW 9 mph
precip
4%
NIGHT
68°F
W 4 mph
precip
20%

Plymouth Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Plymouth was 20.1°F. The maximum and minimum values were 18.6°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 69.9 °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
more details