S
M
T
W
T
F
S
26
80°
44°
27
70°
56°
28
63°
48°
29
61°
39°
30
61°
36°
1
59°
35°
2
60°
37°
3
72°
42°
4
82°
48°
5
55°
45°
6
60°
39°
7
67°
37°
8
64°
44°
9
80°
49°
10
68°
43°
11
73°
42°
12
85°
49°
13
73°
48°
14
76°
42°
15
81°
53°
16
83°
63°
17
87°
69°
18
80°
69°
19
74°
47°
20
67°
46°
21
70°
52°
22
73°
54°
23
79°
58°
24
80°
57°
25
77°
58°
26
80°
59°
27
80°
57°
28
81°
58°
29
82°
56°
30
78°
57°
31
82°
63°
1
82°
62°
2
81°
61°
3
74°
57°
4
74°
55°
5
78°
63°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Macomb
Macomb's May 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 46° and 69°. The average high for May is 78° with an average low of 58°. 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 Macomb. See also: June | July | August.
