S
M
T
W
T
F
S
26
80°
70°
27
87°
71°
28
82°
73°
29
84°
63°
30
73°
58°
1
63°
48°
2
72°
45°
3
76°
43°
4
79°
60°
5
85°
67°
6
75°
60°
7
66°
56°
8
78°
59°
9
90°
66°
10
90°
66°
11
80°
61°
12
85°
55°
13
89°
56°
14
88°
59°
15
89°
66°
16
86°
67°
17
85°
73°
18
89°
75°
19
90°
61°
20
84°
61°
21
83°
61°
22
86°
60°
23
85°
60°
24
87°
61°
25
85°
62°
26
79°
62°
27
85°
61°
28
90°
67°
29
92°
69°
30
88°
68°
31
91°
71°
1
89°
70°
2
89°
67°
3
85°
67°
4
88°
65°
5
89°
67°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mountain Home
Mountain Home's May 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 65° and 71°. The average high for May is 89° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mountain Home. See also: June | July | August.
