S
M
T
W
T
F
S
28
79°
55°
29
78°
54°
30
79°
57°
1
78°
52°
2
82°
54°
3
89°
60°
4
93°
64°
5
89°
51°
6
92°
51°
7
100°
53°
8
92°
67°
9
92°
62°
10
95°
65°
11
90°
66°
12
85°
59°
13
94°
64°
14
100°
66°
15
101°
66°
16
94°
63°
17
93°
67°
18
95°
65°
19
96°
67°
20
94°
68°
21
94°
65°
22
98°
67°
23
97°
65°
24
90°
63°
25
92°
67°
26
94°
68°
27
90°
67°
28
94°
68°
29
94°
67°
30
88°
64°
31
83°
59°
1
82°
59°
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 82° to 101°, with overnight lows between 59° and 68°. The average high for July is 93° with an average low of 65°. 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.
