16.07
thu
thu
Day
77°F
W 11 mph
Precip.
2%
2%
Night
63°F
S 4 mph
Precip.
11%
11%
17.07
fri
fri
Day
75°F
NE 7 mph
Precip.
2%
2%
Night
61°F
S 9 mph
Precip.
8%
8%
18.07
sat
sat
Day
75°F
NW 6 mph
Precip.
2%
2%
Night
57°F
S 9 mph
Precip.
10%
10%
19.07
sun
sun
Day
70°F
W 13 mph
Precip.
1%
1%
Night
57°F
S 7 mph
Precip.
6%
6%
20.07
mon
mon
Day
72°F
NE 6 mph
Precip.
1%
1%
Night
57°F
S 10 mph
Precip.
9%
9%
21.07
tue
tue
Day
72°F
NW 11 mph
Precip.
2%
2%
Night
59°F
S 9 mph
Precip.
9%
9%
22.07
wed
wed
Day
70°F
S 16 mph
Precip.
2%
2%
Night
59°F
NW 11 mph
Precip.
9%
9%
sea water
temperature
temperature
| Plymouth |
monthly
weather
weather
| Plymouth |
current
weather
weather
| Plymouth |
14 days
forecast
forecast
| Plymouth |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 64.2°F. The highest and lowest sea temperatures during the month were 66.6°F and 62.2°F.
Air temperature in Plymouth, °F
Precipitation total in Plymouth, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Plymouth
Plymouth on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Plymouth
Local time: 22:38
July 17, friday
0000
63°F
S
4 mph
4 mph
0300
63°F
W
5 mph
5 mph
0600
63°F
W
4 mph
4 mph
0900
72°F
N
5 mph
5 mph
1200
75°F
NE
7 mph
7 mph
1500
75°F
NE
12 mph
12 mph
1800
72°F
NE
8 mph
8 mph
2100
64°F
SE
7 mph
7 mph
