S
M
T
W
T
F
S
26
45°
31°
27
46°
30°
28
47°
34°
29
52°
34°
30
51°
36°
1
53°
35°
2
53°
36°
3
52°
26°
4
65°
39°
5
65°
40°
6
54°
33°
7
53°
35°
8
53°
32°
9
54°
35°
10
54°
38°
11
55°
39°
12
55°
34°
13
57°
36°
14
63°
39°
15
57°
36°
16
63°
41°
17
57°
37°
18
56°
35°
19
58°
36°
20
62°
46°
21
68°
46°
22
65°
48°
23
69°
47°
24
65°
41°
25
61°
39°
26
59°
41°
27
61°
46°
28
63°
47°
29
62°
49°
30
64°
45°
31
63°
43°
1
67°
41°
2
65°
46°
3
67°
40°
4
66°
42°
5
65°
41°
6
66°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Winnipeg
Winnipeg's May 2026 forecast shows daily high temperatures ranging from 45° to 69°, with overnight lows between 26° and 49°. The average high for May is 59° with an average low of 39°. 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 Winnipeg. See also: June | July | August.
