S
M
T
W
T
F
S
26
85°
68°
27
87°
67°
28
79°
64°
29
80°
59°
30
83°
58°
31
84°
62°
1
75°
65°
2
81°
65°
3
81°
60°
4
81°
58°
5
83°
61°
6
76°
68°
7
84°
64°
8
82°
64°
9
85°
59°
10
84°
68°
11
74°
64°
12
75°
64°
13
78°
64°
14
78°
67°
15
79°
70°
16
84°
71°
17
80°
62°
18
79°
60°
19
81°
61°
20
81°
61°
21
78°
60°
22
77°
62°
23
73°
56°
24
75°
52°
25
77°
49°
26
83°
56°
27
79°
60°
28
79°
56°
29
80°
57°
30
80°
65°
31
89°
70°
1
90°
73°
2
93°
72°
3
93°
75°
4
89°
73°
5
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plymouth
Plymouth's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Plymouth. See also: September | October | November.
