S
M
T
W
T
F
S
26
79°
75°
27
79°
75°
28
77°
77°
29
77°
75°
30
79°
75°
1
75°
61°
2
73°
59°
3
75°
72°
4
75°
72°
5
77°
75°
6
81°
75°
7
77°
66°
8
77°
72°
9
79°
75°
10
79°
75°
11
79°
72°
12
81°
70°
13
81°
75°
14
79°
77°
15
79°
77°
16
79°
77°
17
81°
79°
18
81°
79°
19
81°
70°
20
77°
70°
21
79°
73°
22
81°
77°
23
82°
70°
24
77°
75°
25
82°
75°
26
82°
77°
27
79°
68°
28
78°
67°
29
77°
65°
30
80°
66°
31
82°
67°
1
86°
64°
2
82°
63°
3
84°
64°
4
84°
60°
5
83°
62°
6
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grand River Township
Grand River Township's May 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 60° and 67°. The average high for May is 82° with an average low of 64°. 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 River Township. See also: June | July | August.