S
M
T
W
T
F
S
28
83°
68°
29
91°
73°
30
91°
76°
1
91°
76°
2
94°
77°
3
92°
70°
4
85°
69°
5
81°
69°
6
81°
68°
7
85°
64°
8
86°
63°
9
87°
70°
10
84°
69°
11
82°
66°
12
84°
64°
13
87°
61°
14
93°
71°
15
95°
71°
16
95°
70°
17
89°
70°
18
85°
69°
19
84°
64°
20
83°
63°
21
80°
61°
22
77°
57°
23
75°
57°
24
82°
63°
25
81°
61°
26
83°
63°
27
85°
62°
28
85°
61°
29
78°
59°
30
78°
61°
31
80°
62°
1
83°
66°
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 75° to 95°, with overnight lows between 57° and 71°. The average high for July is 84° with an average low of 64°. 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.
