S
M
T
W
T
F
S
28
77°
62°
29
77°
60°
30
76°
65°
1
78°
66°
2
84°
66°
3
80°
63°
4
77°
59°
5
77°
61°
6
80°
67°
7
84°
67°
8
78°
64°
9
79°
62°
10
82°
67°
11
83°
66°
12
80°
66°
13
79°
58°
14
78°
59°
15
78°
60°
16
80°
65°
17
79°
64°
18
82°
60°
19
80°
62°
20
83°
60°
21
84°
60°
22
79°
62°
23
81°
65°
24
82°
67°
25
85°
64°
26
81°
64°
27
83°
66°
28
78°
68°
29
82°
64°
30
81°
60°
31
83°
59°
1
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Plymouth
Plymouth's July 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 58° and 68°. The average high for July is 80° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Plymouth. See also: August | September | October.
