S
M
T
W
T
F
S
28
83°
65°
29
88°
65°
30
91°
72°
1
94°
75°
2
93°
73°
3
94°
70°
4
89°
68°
5
86°
68°
6
84°
67°
7
82°
66°
8
86°
65°
9
86°
67°
10
84°
67°
11
82°
67°
12
84°
62°
13
87°
61°
14
87°
61°
15
91°
70°
16
91°
65°
17
84°
72°
18
87°
67°
19
79°
59°
20
84°
65°
21
80°
60°
22
77°
59°
23
79°
61°
24
81°
62°
25
79°
61°
26
81°
60°
27
79°
62°
28
80°
62°
29
78°
59°
30
78°
63°
31
85°
65°
1
78°
63°
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 77° to 91°, with overnight lows between 59° and 72°. The average high for July is 81° 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.
