S
M
T
W
T
F
S
26
31°
13°
27
47°
9°
28
58°
18°
29
63°
22°
30
72°
24°
1
65°
28°
2
72°
28°
3
69°
32°
4
58°
39°
5
55°
33°
6
73°
28°
7
71°
34°
8
68°
35°
9
69°
40°
10
70°
36°
11
64°
37°
12
71°
27°
13
72°
36°
14
64°
43°
15
62°
30°
16
52°
29°
17
55°
26°
18
54°
29°
19
59°
33°
20
53°
31°
21
63°
30°
22
66°
38°
23
72°
37°
24
71°
39°
25
63°
36°
26
56°
33°
27
66°
37°
28
63°
37°
29
60°
37°
30
62°
38°
31
68°
39°
1
66°
43°
2
67°
44°
3
68°
45°
4
67°
44°
5
64°
44°
6
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Red Deer County
Red Deer County's May 2026 forecast shows daily high temperatures ranging from 53° to 72°, with overnight lows between 29° and 45°. The average high for May is 64° with an average low of 38°. 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 Red Deer County. See also: June | July | August.
