S
M
T
W
T
F
S
26
74°
42°
27
74°
55°
28
64°
49°
29
58°
39°
30
59°
37°
1
55°
37°
2
60°
29°
3
75°
42°
4
82°
42°
5
59°
45°
6
56°
32°
7
65°
30°
8
72°
39°
9
74°
49°
10
68°
37°
11
67°
41°
12
77°
44°
13
69°
42°
14
76°
39°
15
82°
62°
16
86°
61°
17
85°
69°
18
79°
62°
19
70°
46°
20
62°
44°
21
66°
45°
22
73°
52°
23
76°
54°
24
75°
54°
25
74°
58°
26
74°
57°
27
77°
59°
28
74°
52°
29
71°
54°
30
69°
52°
31
70°
50°
1
70°
49°
2
71°
49°
3
71°
53°
4
73°
59°
5
81°
61°
6
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Marcus
Marcus's May 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 44° and 69°. The average high for May is 74° with an average low of 55°. 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 Marcus. See also: June | July | August.