S
M
T
W
T
F
S
26
77°
52°
27
76°
51°
28
62°
47°
29
59°
38°
30
62°
35°
1
62°
37°
2
61°
43°
3
72°
49°
4
78°
52°
5
55°
42°
6
54°
39°
7
62°
46°
8
70°
48°
9
74°
50°
10
71°
48°
11
74°
54°
12
73°
53°
13
72°
49°
14
71°
52°
15
68°
55°
16
68°
57°
17
72°
59°
18
75°
59°
19
75°
60°
20
77°
61°
21
76°
61°
22
77°
55°
23
70°
52°
24
69°
55°
25
71°
61°
26
73°
57°
27
71°
55°
28
72°
54°
29
72°
54°
30
79°
63°
31
76°
63°
1
79°
64°
2
83°
64°
3
81°
60°
4
75°
59°
5
75°
56°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Marceline
Marceline's May 2026 forecast shows daily high temperatures ranging from 54° to 83°, with overnight lows between 37° and 64°. 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 Marceline. See also: June | July | August.