S
M
T
W
T
F
S
26
42°
34°
27
44°
33°
28
45°
32°
29
42°
33°
30
39°
33°
1
43°
36°
2
39°
32°
3
42°
22°
4
41°
23°
5
41°
23°
6
41°
25°
7
41°
24°
8
43°
27°
9
47°
27°
10
49°
31°
11
50°
34°
12
49°
33°
13
53°
32°
14
53°
34°
15
51°
31°
16
52°
32°
17
47°
27°
18
47°
28°
19
46°
31°
20
47°
29°
21
48°
29°
22
49°
30°
23
54°
32°
24
58°
32°
25
58°
34°
26
53°
35°
27
59°
36°
28
54°
34°
29
53°
34°
30
55°
35°
31
54°
38°
1
58°
41°
2
56°
40°
3
59°
35°
4
57°
35°
5
56°
36°
6
61°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grayling
Grayling's May 2026 forecast shows daily high temperatures ranging from 41° to 61°, with overnight lows between 22° and 41°. The average high for May is 51° with an average low of 32°. 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 Grayling. See also: June | July | August.