S
M
T
W
T
F
S
26
68°
52°
27
79°
52°
28
72°
52°
29
68°
52°
30
57°
43°
1
64°
37°
2
52°
37°
3
59°
32°
4
73°
45°
5
75°
57°
6
66°
52°
7
61°
46°
8
66°
37°
9
68°
52°
10
75°
50°
11
64°
48°
12
72°
45°
13
73°
52°
14
52°
43°
15
66°
37°
16
73°
55°
17
84°
61°
18
88°
68°
19
84°
70°
20
84°
64°
21
66°
61°
22
66°
59°
23
77°
59°
24
78°
66°
25
75°
66°
26
78°
70°
27
75°
67°
28
81°
61°
29
82°
61°
30
76°
58°
31
80°
55°
1
77°
59°
2
79°
59°
3
80°
60°
4
81°
61°
5
80°
62°
6
81°
60°
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 75° to 82°, with overnight lows between 55° and 70°. The average high for May is 79° with an average low of 62°. 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.
