S
M
T
W
T
F
S
26
60°
37°
27
71°
37°
28
65°
53°
29
55°
45°
30
50°
41°
1
50°
36°
2
48°
35°
3
58°
34°
4
74°
46°
5
70°
48°
6
49°
42°
7
54°
35°
8
57°
37°
9
67°
38°
10
57°
40°
11
54°
37°
12
57°
33°
13
67°
45°
14
47°
44°
15
68°
46°
16
78°
47°
17
83°
58°
18
89°
65°
19
86°
67°
20
71°
49°
21
57°
46°
22
62°
40°
23
58°
46°
24
63°
56°
25
67°
55°
26
75°
59°
27
69°
52°
28
64°
48°
29
61°
47°
30
65°
44°
31
66°
47°
1
67°
48°
2
71°
53°
3
70°
53°
4
72°
52°
5
70°
53°
6
71°
50°
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 61° to 75°, with overnight lows between 44° and 59°. The average high for May is 68° with an average low of 51°. 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.
