S
M
T
W
T
F
S
26
68°
46°
27
71°
49°
28
62°
45°
29
55°
44°
30
54°
38°
1
49°
40°
2
51°
32°
3
63°
47°
4
75°
51°
5
57°
40°
6
54°
40°
7
54°
39°
8
57°
40°
9
60°
46°
10
61°
43°
11
62°
44°
12
64°
43°
13
65°
49°
14
65°
48°
15
64°
49°
16
66°
48°
17
71°
54°
18
68°
53°
19
70°
54°
20
70°
54°
21
71°
49°
22
66°
45°
23
64°
46°
24
65°
46°
25
65°
47°
26
66°
47°
27
66°
48°
28
67°
47°
29
67°
48°
30
68°
55°
31
74°
54°
1
69°
52°
2
71°
55°
3
75°
59°
4
77°
59°
5
77°
60°
6
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Okemos
Okemos's May 2026 forecast shows daily high temperatures ranging from 54° to 79°, with overnight lows between 39° and 61°. The average high for May is 67° with an average low of 49°. 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 Okemos. See also: June | July | August.