S
M
T
W
T
F
S
26
58°
44°
27
61°
40°
28
67°
40°
29
60°
37°
30
61°
42°
1
67°
44°
2
63°
41°
3
65°
43°
4
69°
47°
5
72°
50°
6
73°
50°
7
74°
52°
8
74°
52°
9
75°
51°
10
72°
48°
11
64°
45°
12
66°
47°
13
70°
50°
14
66°
46°
15
68°
46°
16
71°
51°
17
75°
52°
18
69°
45°
19
71°
44°
20
68°
43°
21
69°
44°
22
68°
46°
23
69°
47°
24
67°
53°
25
70°
53°
26
76°
52°
27
78°
50°
28
72°
59°
29
78°
57°
30
82°
48°
31
73°
53°
1
73°
53°
2
75°
54°
3
77°
55°
4
79°
52°
5
82°
50°
6
73°
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 58° to 82°, with overnight lows between 37° and 59°. The average high for May is 70° with an average low of 48°. 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.
