Measurements:
°C
°F
CURRENT WEATHER
14:28
Plymouth
90°F
SE 14 mph
Feels like: 90°F
Precip: 1%
World Resorts USA Plymouth Weather

7 Day Weather Forecast

07.15
wed
DAY
94°F
SE 12 mph
precip
4%
NIGHT
72°F
SE 4 mph
precip
2%
07.16
thu
DAY
92°F
E 12 mph
precip
2%
NIGHT
70°F
E 4 mph
precip
12%
07.17
fri
DAY
82°F
SE 7 mph
precip
1%
NIGHT
68°F
NE 7 mph
precip
4%
07.18
sat
DAY
86°F
NE 13 mph
precip
6%
NIGHT
72°F
NE 13 mph
precip
41%
07.19
sun
DAY
88°F
E 17 mph
precip
4%
NIGHT
66°F
E 6 mph
precip
3%
07.20
mon
DAY
82°F
NE 5 mph
precip
2%
NIGHT
68°F
N 8 mph
precip
10%
07.21
tue
DAY
78°F
NE 14 mph
precip
66%
NIGHT
68°F
SE 11 mph
precip
6%

Plymouth Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Plymouth was 19.9°F. The maximum and minimum values were 17.6°F and 21.0°F respectively.

Plymouth on the Weather Map

Best Time to Visit Plymouth
The most sunny months:
November 15 days
September 13 days
June 13 days
The most warm months:
July 82.1 °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
more details