S
M
T
W
T
F
S
26
82°
66°
27
80°
65°
28
80°
62°
29
81°
64°
30
81°
66°
31
84°
66°
1
83°
65°
2
82°
64°
3
87°
63°
4
80°
59°
5
82°
62°
6
81°
60°
7
80°
58°
8
81°
59°
9
80°
57°
10
81°
58°
11
83°
65°
12
86°
66°
13
87°
62°
14
86°
59°
15
81°
63°
16
80°
64°
17
84°
57°
18
80°
60°
19
80°
58°
20
81°
58°
21
82°
61°
22
85°
64°
23
86°
63°
24
87°
63°
25
86°
61°
26
87°
62°
27
86°
63°
28
85°
62°
29
86°
63°
30
82°
56°
31
80°
54°
1
78°
53°
2
77°
55°
3
78°
56°
4
78°
54°
5
82°
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 77° to 87°, with overnight lows between 53° and 66°. The average high for August is 82° with an average low of 61°. 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.
