S
M
T
W
T
F
S
26
61°
43°
27
74°
39°
28
73°
51°
29
62°
49°
30
52°
40°
1
58°
37°
2
53°
33°
3
60°
46°
4
71°
55°
5
76°
59°
6
59°
43°
7
54°
37°
8
52°
38°
9
63°
44°
10
64°
45°
11
67°
49°
12
68°
51°
13
67°
47°
14
64°
49°
15
70°
52°
16
66°
50°
17
68°
53°
18
73°
55°
19
73°
55°
20
72°
54°
21
76°
56°
22
76°
56°
23
75°
55°
24
73°
53°
25
69°
51°
26
74°
57°
27
77°
57°
28
74°
56°
29
74°
56°
30
71°
54°
31
75°
55°
1
71°
54°
2
72°
56°
3
72°
51°
4
70°
50°
5
71°
51°
6
71°
51°
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 52° to 77°, with overnight lows between 33° and 59°. The average high for May is 69° 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.
