S
M
T
W
T
F
S
26
63°
45°
27
55°
43°
28
55°
39°
29
52°
34°
30
50°
32°
1
52°
34°
2
63°
30°
3
70°
46°
4
63°
41°
5
50°
34°
6
43°
28°
7
55°
28°
8
70°
36°
9
59°
37°
10
57°
34°
11
64°
34°
12
70°
50°
13
68°
43°
14
77°
43°
15
86°
54°
16
77°
46°
17
68°
52°
18
66°
52°
19
54°
41°
20
59°
34°
21
63°
39°
22
64°
46°
23
66°
46°
24
81°
43°
25
82°
55°
26
84°
63°
27
88°
55°
28
82°
60°
29
88°
62°
30
86°
57°
31
83°
62°
1
86°
62°
2
84°
66°
3
83°
64°
4
83°
66°
5
87°
67°
6
89°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grant
Grant's May 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 55° and 68°. The average high for May is 85° with an average low of 63°. 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. See also: June | July | August.
