S
M
T
W
T
F
S
28
82°
57°
29
83°
56°
30
83°
56°
1
91°
68°
2
92°
67°
3
90°
71°
4
83°
62°
5
82°
57°
6
78°
63°
7
66°
52°
8
82°
60°
9
85°
66°
10
76°
57°
11
79°
55°
12
77°
57°
13
78°
59°
14
79°
58°
15
76°
57°
16
77°
56°
17
78°
57°
18
77°
58°
19
76°
57°
20
77°
54°
21
71°
52°
22
71°
51°
23
72°
52°
24
74°
52°
25
79°
57°
26
79°
58°
27
78°
58°
28
79°
57°
29
80°
58°
30
78°
58°
31
77°
57°
1
78°
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 66° to 85°, with overnight lows between 51° and 66°. The average high for July is 77° with an average low of 57°. 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.
