S
M
T
W
T
F
S
26
84°
60°
27
90°
68°
28
87°
62°
29
76°
56°
30
69°
52°
1
74°
50°
2
75°
45°
3
81°
53°
4
79°
62°
5
76°
50°
6
61°
45°
7
68°
47°
8
77°
53°
9
78°
57°
10
73°
55°
11
69°
48°
12
76°
54°
13
82°
58°
14
83°
58°
15
81°
59°
16
80°
55°
17
75°
59°
18
75°
60°
19
80°
59°
20
78°
57°
21
82°
52°
22
73°
51°
23
74°
54°
24
73°
55°
25
73°
53°
26
74°
53°
27
76°
54°
28
77°
55°
29
78°
59°
30
77°
63°
31
78°
62°
1
78°
60°
2
79°
58°
3
78°
64°
4
80°
64°
5
79°
65°
6
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mountainburg
Mountainburg's May 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 45° and 65°. The average high for May is 77° with an average low of 56°. 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 Mountainburg. See also: June | July | August.
