S
M
T
W
T
F
S
26
68°
53°
27
65°
53°
28
67°
57°
29
64°
56°
30
64°
53°
31
63°
52°
1
64°
52°
2
63°
51°
3
63°
53°
4
66°
57°
5
66°
56°
6
64°
53°
7
63°
54°
8
63°
52°
9
64°
56°
10
63°
55°
11
67°
56°
12
67°
56°
13
66°
55°
14
67°
56°
15
64°
55°
16
67°
56°
17
64°
54°
18
64°
51°
19
63°
50°
20
63°
50°
21
64°
49°
22
63°
51°
23
63°
52°
24
62°
50°
25
62°
51°
26
63°
54°
27
62°
54°
28
64°
50°
29
63°
51°
30
62°
49°
31
61°
53°
1
65°
52°
2
65°
53°
3
64°
53°
4
65°
48°
5
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shelley
Shelley's August 2026 forecast shows daily high temperatures ranging from 61° to 68°, with overnight lows between 48° and 57°. The average high for August is 64° with an average low of 53°. 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 Shelley. See also: September | October | November.