S
M
T
W
T
F
S
26
37°
21°
27
51°
12°
28
59°
22°
29
64°
32°
30
72°
29°
1
62°
32°
2
71°
27°
3
61°
37°
4
55°
28°
5
61°
31°
6
72°
38°
7
67°
33°
8
67°
35°
9
58°
34°
10
67°
36°
11
68°
35°
12
60°
32°
13
61°
32°
14
61°
32°
15
62°
33°
16
58°
32°
17
54°
34°
18
51°
29°
19
51°
29°
20
52°
28°
21
54°
28°
22
62°
34°
23
59°
32°
24
62°
35°
25
63°
38°
26
55°
32°
27
57°
31°
28
61°
34°
29
64°
38°
30
65°
39°
31
66°
40°
1
66°
39°
2
65°
38°
3
65°
40°
4
57°
34°
5
57°
35°
6
58°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coal Valley
Coal Valley's May 2026 forecast shows daily high temperatures ranging from 51° to 72°, with overnight lows between 28° and 40°. The average high for May is 61° with an average low of 34°. 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 Coal Valley. See also: June | July | August.
