S
M
T
W
T
F
S
26
30°
19°
27
45°
19°
28
52°
23°
29
63°
30°
30
73°
39°
1
66°
43°
2
72°
34°
3
64°
41°
4
54°
32°
5
52°
23°
6
66°
34°
7
71°
41°
8
67°
45°
9
63°
46°
10
77°
46°
11
66°
43°
12
73°
45°
13
69°
46°
14
71°
42°
15
67°
43°
16
65°
40°
17
63°
41°
18
67°
43°
19
68°
44°
20
66°
42°
21
64°
46°
22
67°
47°
23
68°
47°
24
69°
48°
25
71°
50°
26
72°
49°
27
67°
48°
28
66°
48°
29
70°
47°
30
64°
47°
31
70°
49°
1
71°
48°
2
65°
45°
3
62°
43°
4
61°
41°
5
62°
48°
6
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stony Plain 135
Stony Plain 135's May 2026 forecast shows daily high temperatures ranging from 61° to 77°, with overnight lows between 40° and 50°. The average high for May is 67° with an average low of 45°. 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 Stony Plain 135. See also: June | July | August.