S
M
T
W
T
F
S
26
85°
67°
27
84°
67°
28
85°
66°
29
84°
67°
30
84°
65°
31
85°
63°
1
83°
62°
2
84°
67°
3
84°
68°
4
85°
67°
5
84°
66°
6
86°
67°
7
84°
68°
8
84°
67°
9
85°
64°
10
87°
65°
11
85°
67°
12
85°
67°
13
86°
65°
14
85°
66°
15
87°
65°
16
89°
66°
17
88°
65°
18
88°
66°
19
87°
61°
20
83°
61°
21
82°
60°
22
82°
60°
23
83°
60°
24
83°
59°
25
84°
59°
26
83°
60°
27
83°
60°
28
84°
61°
29
86°
60°
30
85°
59°
31
87°
61°
1
86°
63°
2
87°
62°
3
84°
59°
4
81°
58°
5
83°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mountain Rest
Mountain Rest's August 2026 forecast shows daily high temperatures ranging from 81° to 89°, with overnight lows between 58° and 68°. The average high for August is 85° 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 Mountain Rest. See also: September | October | November.