S
M
T
W
T
F
S
26
77°
64°
27
85°
62°
28
83°
67°
29
79°
60°
30
83°
56°
31
83°
60°
1
78°
68°
2
79°
66°
3
80°
61°
4
84°
64°
5
86°
66°
6
86°
67°
7
81°
66°
8
84°
65°
9
86°
67°
10
87°
68°
11
86°
67°
12
83°
64°
13
83°
63°
14
80°
60°
15
80°
61°
16
79°
63°
17
78°
60°
18
86°
65°
19
87°
64°
20
87°
63°
21
85°
63°
22
86°
62°
23
87°
64°
24
87°
64°
25
83°
63°
26
83°
63°
27
82°
62°
28
81°
61°
29
82°
61°
30
83°
62°
31
83°
61°
1
84°
60°
2
81°
57°
3
78°
56°
4
81°
59°
5
83°
57°
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 78° to 87°, with overnight lows between 56° and 68°. The average high for August is 83° 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.
