S
M
T
W
T
F
S
26
75°
51°
27
70°
52°
28
67°
48°
29
68°
47°
30
65°
46°
1
59°
42°
2
56°
38°
3
59°
40°
4
64°
43°
5
61°
42°
6
66°
47°
7
65°
46°
8
65°
44°
9
66°
42°
10
65°
39°
11
66°
45°
12
71°
50°
13
72°
50°
14
70°
48°
15
68°
44°
16
66°
41°
17
66°
41°
18
67°
44°
19
68°
50°
20
69°
48°
21
68°
47°
22
69°
45°
23
70°
48°
24
73°
52°
25
71°
52°
26
70°
50°
27
71°
53°
28
70°
53°
29
70°
52°
30
72°
53°
31
72°
53°
1
73°
51°
2
72°
54°
3
72°
54°
4
73°
51°
5
81°
54°
6
82°
54°
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 56° to 82°, with overnight lows between 38° and 54°. The average high for May is 69° 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.
