S
M
T
W
T
F
S
26
57°
41°
27
65°
43°
28
68°
52°
29
55°
45°
30
57°
41°
1
49°
39°
2
50°
37°
3
64°
37°
4
75°
49°
5
66°
46°
6
58°
46°
7
58°
41°
8
58°
42°
9
71°
50°
10
62°
41°
11
57°
38°
12
59°
38°
13
61°
46°
14
67°
45°
15
67°
40°
16
79°
53°
17
77°
66°
18
83°
66°
19
85°
54°
20
63°
43°
21
59°
48°
22
65°
52°
23
69°
55°
24
70°
56°
25
73°
59°
26
72°
56°
27
71°
54°
28
72°
56°
29
75°
57°
30
76°
55°
31
76°
58°
1
73°
59°
2
77°
59°
3
74°
58°
4
70°
57°
5
71°
58°
6
74°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grosse Ile Township
Grosse Ile Township's May 2026 forecast shows daily high temperatures ranging from 59° to 85°, with overnight lows between 43° and 66°. The average high for May is 73° with an average low of 56°. 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 Grosse Ile Township. See also: June | July | August.