18.03
wed
wed
Day
34°F
SE 9 mph
Precip.
0%
0%
Night
30°F
N 4 mph
Precip.
0%
0%
19.03
thu
thu
Day
37°F
N 7 mph
Precip.
0%
0%
Night
34°F
NE 7 mph
Precip.
0%
0%
20.03
fri
fri
Day
50°F
NE 7 mph
Precip.
0%
0%
Night
41°F
NE 16 mph
Precip.
100%
100%
21.03
sat
sat
Day
55°F
S 6 mph
Precip.
0%
0%
Night
39°F
SW 3 mph
Precip.
0%
0%
22.03
sun
sun
Day
54°F
NE 12 mph
Precip.
0%
0%
Night
41°F
S 11 mph
Precip.
100%
100%
23.03
mon
mon
Day
32°F
SW 14 mph
Precip.
100%
100%
Night
30°F
NE 8 mph
Precip.
29%
29%
24.03
tue
tue
Day
34°F
S 14 mph
Precip.
51%
51%
Night
28°F
NE 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Plymouth |
monthly
weather
weather
| Plymouth |
current
weather
weather
| Plymouth |
14 days
forecast
forecast
| Plymouth |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 37.5°F. The highest and lowest sea temperatures during the month were 40.6°F and 34.2°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 44.3°F. The highest and lowest sea temperatures during the month were 48.2°F and 41.2°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 USA:
Name
°F
24 Hours Forecast
Plymouth
Local time: 17:34
March 18, wednesday
1800
32°F
NW
8 mph
8 mph
2100
32°F
N
6 mph
6 mph
March 19, thursday
0000
30°F
N
4 mph
4 mph
0300
30°F
NE
3 mph
3 mph
0600
30°F
NE
2 mph
2 mph
0900
34°F
NW
4 mph
4 mph
1200
37°F
N
7 mph
7 mph
1500
39°F
N
11 mph
11 mph
