S
M
T
W
T
F
S
26
62°
44°
27
74°
43°
28
69°
51°
29
58°
46°
30
56°
40°
1
49°
39°
2
45°
32°
3
61°
31°
4
74°
47°
5
68°
46°
6
58°
41°
7
59°
39°
8
65°
43°
9
72°
53°
10
67°
45°
11
69°
38°
12
69°
40°
13
64°
45°
14
65°
42°
15
70°
38°
16
76°
53°
17
84°
60°
18
86°
65°
19
86°
66°
20
68°
51°
21
66°
47°
22
60°
48°
23
74°
57°
24
72°
55°
25
76°
58°
26
80°
63°
27
75°
56°
28
72°
47°
29
76°
53°
30
73°
48°
31
71°
49°
1
74°
49°
2
74°
51°
3
77°
54°
4
79°
55°
5
80°
60°
6
80°
61°
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 71° to 80°, with overnight lows between 47° and 63°. The average high for May is 76° 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 Marion. See also: June | July | August.
