S
M
T
W
T
F
S
26
44°
24°
27
39°
32°
28
52°
33°
29
56°
31°
30
57°
26°
1
59°
28°
2
77°
35°
3
72°
38°
4
54°
32°
5
49°
25°
6
56°
25°
7
64°
28°
8
70°
40°
9
64°
44°
10
68°
38°
11
85°
43°
12
73°
45°
13
83°
42°
14
77°
46°
15
76°
45°
16
73°
42°
17
54°
40°
18
44°
37°
19
55°
35°
20
67°
42°
21
69°
48°
22
58°
41°
23
74°
48°
24
83°
57°
25
93°
59°
26
92°
58°
27
82°
56°
28
78°
55°
29
84°
57°
30
83°
56°
31
84°
58°
1
89°
57°
2
78°
50°
3
81°
56°
4
77°
55°
5
73°
56°
6
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thunder Butte
Thunder Butte's May 2026 forecast shows daily high temperatures ranging from 58° to 93°, with overnight lows between 41° and 59°. The average high for May is 79° with an average low of 54°. 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 Thunder Butte. See also: June | July | August.
