S
M
T
W
T
F
S
26
67°
57°
27
68°
56°
28
68°
54°
29
69°
53°
30
69°
59°
1
69°
59°
2
69°
61°
3
70°
62°
4
68°
57°
5
67°
56°
6
69°
57°
7
69°
58°
8
70°
62°
9
70°
61°
10
70°
60°
11
70°
59°
12
69°
62°
13
72°
60°
14
70°
59°
15
69°
60°
16
69°
60°
17
68°
59°
18
68°
61°
19
71°
60°
20
70°
61°
21
69°
60°
22
69°
63°
23
70°
63°
24
69°
62°
25
71°
62°
26
70°
61°
27
65°
57°
28
66°
58°
29
66°
57°
30
67°
58°
31
70°
62°
1
73°
63°
2
74°
65°
3
74°
65°
4
73°
59°
5
67°
59°
6
67°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grant Hill
Grant Hill's May 2026 forecast shows daily high temperatures ranging from 65° to 74°, with overnight lows between 57° and 65°. The average high for May is 69° with an average low of 61°. 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 Grant Hill. See also: June | July | August.