S
M
T
W
T
F
S
26
84°
62°
27
86°
63°
28
89°
67°
29
88°
67°
30
83°
66°
31
87°
65°
1
87°
67°
2
83°
65°
3
85°
67°
4
84°
66°
5
84°
65°
6
83°
64°
7
83°
64°
8
84°
66°
9
85°
66°
10
83°
65°
11
83°
66°
12
84°
63°
13
82°
63°
14
82°
62°
15
83°
65°
16
84°
66°
17
82°
66°
18
82°
64°
19
83°
62°
20
83°
61°
21
83°
58°
22
82°
57°
23
81°
58°
24
83°
59°
25
82°
62°
26
86°
61°
27
88°
63°
28
89°
63°
29
88°
62°
30
87°
63°
31
87°
60°
1
80°
60°
2
81°
61°
3
84°
57°
4
87°
63°
5
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Martinsville
Martinsville's August 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 57° and 67°. The average high for August is 84° with an average low of 63°. 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 Martinsville. See also: September | October | November.
