S
M
T
W
T
F
S
26
68°
42°
27
66°
45°
28
70°
47°
29
71°
49°
30
73°
50°
1
68°
48°
2
69°
44°
3
76°
55°
4
79°
57°
5
81°
60°
6
82°
57°
7
76°
56°
8
73°
57°
9
71°
54°
10
71°
49°
11
73°
47°
12
70°
47°
13
71°
55°
14
80°
56°
15
73°
55°
16
79°
61°
17
84°
57°
18
73°
51°
19
72°
51°
20
73°
58°
21
79°
62°
22
84°
58°
23
74°
53°
24
76°
62°
25
86°
65°
26
86°
62°
27
81°
57°
28
78°
62°
29
88°
63°
30
88°
63°
31
86°
62°
1
87°
63°
2
89°
60°
3
90°
61°
4
89°
64°
5
87°
62°
6
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Detroit
Detroit's May 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 42° and 65°. 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 Detroit. See also: June | July | August.
