S
M
T
W
T
F
S
26
63°
39°
27
68°
39°
28
70°
54°
29
54°
43°
30
50°
37°
1
48°
37°
2
46°
32°
3
64°
32°
4
75°
48°
5
64°
48°
6
50°
41°
7
57°
34°
8
63°
36°
9
70°
37°
10
59°
36°
11
50°
34°
12
61°
30°
13
59°
43°
14
61°
37°
15
68°
34°
16
77°
48°
17
84°
55°
18
88°
64°
19
84°
50°
20
54°
43°
21
61°
41°
22
70°
41°
23
59°
52°
24
66°
52°
25
76°
51°
26
82°
58°
27
80°
54°
28
69°
45°
29
75°
47°
30
71°
45°
31
74°
48°
1
73°
50°
2
75°
50°
3
75°
53°
4
77°
54°
5
78°
55°
6
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wallaceburg
Wallaceburg's May 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 45° and 58°. The average high for May is 75° with an average low of 51°. 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 Wallaceburg. See also: June | July | August.
