S
M
T
W
T
F
S
26
57°
23°
27
52°
35°
28
51°
27°
29
53°
25°
30
50°
26°
1
58°
21°
2
73°
35°
3
74°
35°
4
50°
39°
5
42°
31°
6
48°
30°
7
62°
24°
8
68°
34°
9
59°
33°
10
58°
26°
11
74°
31°
12
73°
45°
13
79°
36°
14
80°
57°
15
76°
50°
16
60°
39°
17
48°
39°
18
46°
40°
19
52°
34°
20
67°
32°
21
69°
46°
22
N/A
23
69°
47°
24
82°
54°
25
90°
58°
26
86°
58°
27
85°
60°
28
83°
56°
29
80°
53°
30
75°
52°
31
81°
56°
1
80°
53°
2
79°
53°
3
75°
52°
4
73°
50°
5
69°
49°
6
69°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Ypsilanti
Ypsilanti's May 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 47° and 60°. The average high for May is 78° 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 Ypsilanti. See also: June | July | August.