S
M
T
W
T
F
S
26
46°
32°
27
45°
28°
28
37°
25°
29
45°
21°
30
41°
21°
1
46°
16°
2
57°
19°
3
59°
28°
4
57°
27°
5
37°
27°
6
39°
21°
7
54°
21°
8
61°
32°
9
61°
32°
10
61°
27°
11
70°
28°
12
73°
32°
13
75°
32°
14
66°
34°
15
68°
28°
16
64°
36°
17
52°
32°
18
34°
27°
19
43°
23°
20
52°
28°
21
52°
27°
22
50°
27°
23
61°
27°
24
66°
34°
25
66°
39°
26
65°
39°
27
64°
37°
28
74°
39°
29
67°
35°
30
65°
35°
31
67°
38°
1
65°
36°
2
70°
38°
3
71°
39°
4
69°
40°
5
70°
39°
6
68°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coalmont
Coalmont's May 2026 forecast shows daily high temperatures ranging from 64° to 74°, with overnight lows between 34° and 40°. The average high for May is 68° with an average low of 37°. 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 Coalmont. See also: June | July | August.