S
M
T
W
T
F
S
28
79°
62°
29
79°
59°
30
81°
58°
1
87°
70°
2
98°
71°
3
96°
77°
4
94°
72°
5
81°
68°
6
69°
62°
7
66°
62°
8
79°
62°
9
89°
69°
10
89°
65°
11
82°
56°
12
82°
63°
13
85°
65°
14
86°
68°
15
89°
67°
16
90°
63°
17
82°
64°
18
81°
63°
19
80°
64°
20
78°
61°
21
78°
60°
22
79°
60°
23
78°
61°
24
78°
60°
25
79°
62°
26
79°
64°
27
81°
66°
28
84°
66°
29
84°
65°
30
83°
66°
31
80°
66°
1
81°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Plympton
Plympton's July 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 56° and 69°. The average high for July is 82° 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 Plympton. See also: August | September | October.