S
M
T
W
T
F
S
26
39°
24°
27
52°
20°
28
61°
24°
29
71°
37°
30
74°
38°
1
63°
41°
2
71°
38°
3
64°
42°
4
62°
40°
5
64°
31°
6
69°
31°
7
74°
41°
8
62°
42°
9
71°
38°
10
67°
44°
11
67°
44°
12
70°
40°
13
70°
49°
14
65°
44°
15
61°
38°
16
61°
38°
17
60°
30°
18
67°
33°
19
61°
44°
20
66°
37°
21
69°
37°
22
71°
46°
23
64°
40°
24
63°
41°
25
64°
38°
26
66°
42°
27
78°
41°
28
83°
42°
29
74°
50°
30
67°
39°
31
65°
34°
1
71°
44°
2
66°
51°
3
74°
48°
4
68°
49°
5
65°
44°
6
54°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grande Prairie
Grande Prairie's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Grande Prairie. See also: June | July | August.
