S
M
T
W
T
F
S
26
71°
43°
27
64°
52°
28
68°
51°
29
73°
43°
30
73°
44°
31
70°
49°
1
69°
51°
2
57°
52°
3
57°
49°
4
53°
47°
5
57°
51°
6
56°
50°
7
67°
49°
8
60°
45°
9
62°
51°
10
70°
40°
11
63°
52°
12
62°
48°
13
69°
54°
14
66°
56°
15
62°
53°
16
55°
52°
17
52°
50°
18
55°
48°
19
55°
50°
20
64°
52°
21
54°
47°
22
66°
50°
23
60°
40°
24
55°
49°
25
64°
47°
26
64°
45°
27
54°
50°
28
56°
46°
29
62°
46°
30
57°
46°
31
60°
45°
1
58°
44°
2
59°
45°
3
57°
46°
4
57°
44°
5
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Nelsonville
Nelsonville's August 2026 forecast shows daily high temperatures ranging from 54° to 64°, with overnight lows between 44° and 50°. The average high for August is 59° with an average low of 46°. 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 Nelsonville. See also: September | October | November.