S
M
T
W
T
F
S
26
58°
43°
27
54°
44°
28
57°
41°
29
55°
44°
30
61°
45°
1
57°
44°
2
58°
43°
3
57°
43°
4
58°
44°
5
60°
47°
6
65°
49°
7
64°
48°
8
59°
47°
9
58°
48°
10
59°
49°
11
67°
50°
12
67°
51°
13
68°
52°
14
67°
52°
15
64°
42°
16
64°
43°
17
63°
45°
18
65°
49°
19
67°
44°
20
68°
45°
21
62°
51°
22
68°
52°
23
70°
53°
24
70°
53°
25
69°
52°
26
66°
50°
27
72°
51°
28
71°
49°
29
70°
51°
30
71°
47°
31
70°
49°
1
71°
55°
2
69°
56°
3
75°
54°
4
75°
54°
5
76°
57°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Marion
Marion's May 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 41° and 57°. The average high for May is 65° with an average low of 49°. 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 Marion. See also: June | July | August.
