S
M
T
W
T
F
S
26
52°
39°
27
46°
41°
28
54°
37°
29
50°
32°
30
50°
28°
1
54°
32°
2
63°
28°
3
68°
36°
4
59°
39°
5
45°
32°
6
43°
36°
7
54°
32°
8
68°
30°
9
55°
36°
10
54°
36°
11
63°
30°
12
64°
46°
13
68°
36°
14
73°
39°
15
81°
45°
16
73°
45°
17
63°
45°
18
59°
43°
19
52°
37°
20
59°
32°
21
63°
34°
22
55°
37°
23
61°
45°
24
79°
39°
25
82°
54°
26
86°
55°
27
84°
54°
28
81°
52°
29
87°
62°
30
80°
56°
31
75°
57°
1
78°
53°
2
83°
57°
3
83°
61°
4
75°
56°
5
74°
51°
6
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Onamia Township
Onamia Township's May 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 51° and 62°. The average high for May is 78° with an average low of 56°. 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 Onamia Township. See also: June | July | August.