S
M
T
W
T
F
S
26
59°
36°
27
71°
42°
28
63°
48°
29
49°
37°
30
47°
33°
1
42°
30°
2
44°
36°
3
57°
36°
4
69°
46°
5
57°
44°
6
48°
38°
7
47°
32°
8
59°
36°
9
62°
42°
10
52°
41°
11
45°
32°
12
56°
29°
13
56°
40°
14
51°
36°
15
65°
33°
16
71°
51°
17
76°
50°
18
80°
63°
19
78°
43°
20
48°
37°
21
54°
44°
22
59°
48°
23
62°
50°
24
64°
52°
25
65°
54°
26
70°
53°
27
69°
52°
28
70°
53°
29
69°
52°
30
70°
51°
31
72°
48°
1
66°
53°
2
70°
54°
3
68°
53°
4
63°
52°
5
64°
54°
6
68°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grand Bend
Grand Bend's May 2026 forecast shows daily high temperatures ranging from 48° to 80°, with overnight lows between 37° and 63°. The average high for May is 66° 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 Grand Bend. See also: June | July | August.
