S
M
T
W
T
F
S
28
75°
63°
29
83°
65°
30
85°
64°
1
84°
62°
2
81°
59°
3
79°
62°
4
80°
61°
5
78°
56°
6
77°
58°
7
78°
63°
8
80°
64°
9
80°
60°
10
81°
60°
11
83°
54°
12
81°
56°
13
82°
57°
14
83°
59°
15
85°
62°
16
84°
58°
17
84°
62°
18
76°
57°
19
82°
57°
20
80°
65°
21
81°
57°
22
Hist. Avg.
82°
63°
23
Hist. Avg.
82°
63°
24
Hist. Avg.
82°
63°
25
Hist. Avg.
82°
63°
26
Hist. Avg.
82°
63°
27
Hist. Avg.
82°
63°
28
Hist. Avg.
82°
63°
29
Hist. Avg.
82°
63°
30
Hist. Avg.
82°
63°
31
Hist. Avg.
82°
63°
1
Hist. Avg.
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Plymouth
Plymouth's July 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 54° and 65°. The average high for July is 81° with an average low of 60°. 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.
