S
M
T
W
T
F
S
26
93°
65°
27
100°
67°
28
101°
66°
29
101°
68°
30
100°
67°
31
100°
67°
1
101°
66°
2
101°
67°
3
100°
67°
4
100°
66°
5
99°
66°
6
100°
65°
7
100°
66°
8
99°
66°
9
100°
67°
10
95°
53°
11
89°
53°
12
88°
54°
13
90°
56°
14
94°
55°
15
93°
54°
16
93°
56°
17
94°
59°
18
97°
61°
19
98°
64°
20
100°
61°
21
95°
61°
22
95°
60°
23
94°
57°
24
94°
58°
25
93°
57°
26
92°
59°
27
92°
61°
28
88°
58°
29
88°
60°
30
89°
56°
31
84°
52°
1
83°
56°
2
87°
54°
3
88°
50°
4
81°
52°
5
81°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mountain Home
Mountain Home's August 2026 forecast shows daily high temperatures ranging from 81° to 101°, with overnight lows between 50° and 68°. The average high for August is 94° with an average low of 60°. 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 Home. See also: September | October | November.