S
M
T
W
T
F
S
26
71°
45°
27
71°
43°
28
61°
47°
29
53°
41°
30
53°
37°
1
49°
37°
2
51°
33°
3
64°
37°
4
76°
48°
5
62°
47°
6
54°
37°
7
55°
34°
8
65°
32°
9
69°
43°
10
59°
34°
11
58°
35°
12
64°
34°
13
62°
43°
14
67°
44°
15
71°
39°
16
82°
52°
17
85°
58°
18
88°
55°
19
81°
49°
20
63°
40°
21
64°
42°
22
64°
53°
23
65°
54°
24
68°
55°
25
73°
56°
26
76°
57°
27
75°
55°
28
78°
58°
29
76°
57°
30
77°
59°
31
78°
58°
1
75°
52°
2
77°
57°
3
72°
56°
4
69°
55°
5
71°
55°
6
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Owosso
Owosso's May 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 40° and 59°. The average high for May is 72° with an average low of 54°. 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 Owosso. See also: June | July | August.
