S
M
T
W
T
F
S
29
59°
31°
30
69°
56°
31
75°
58°
1
58°
35°
2
76°
36°
3
75°
61°
4
78°
46°
5
46°
35°
6
52°
30°
7
38°
24°
8
60°
23°
9
75°
49°
10
69°
43°
11
54°
36°
12
77°
40°
13
80°
62°
14
79°
61°
15
79°
61°
16
73°
57°
17
75°
51°
18
73°
45°
19
52°
36°
20
48°
34°
21
73°
56°
22
71°
50°
23
80°
58°
24
82°
58°
25
64°
46°
26
63°
48°
27
61°
46°
28
63°
43°
29
57°
42°
30
59°
42°
1
63°
45°
2
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Plymouth
Plymouth's April 2026 forecast shows daily high temperatures ranging from 48° to 82°, with overnight lows between 34° and 58°. The average high for April is 65° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Plymouth. See also: May | June | July.