S
M
T
W
T
F
S
26
74°
45°
27
74°
49°
28
60°
43°
29
60°
39°
30
54°
36°
1
54°
33°
2
61°
41°
3
69°
46°
4
66°
44°
5
66°
42°
6
69°
45°
7
65°
43°
8
65°
43°
9
66°
44°
10
68°
45°
11
70°
48°
12
70°
46°
13
66°
43°
14
66°
44°
15
67°
46°
16
73°
51°
17
77°
55°
18
78°
55°
19
75°
53°
20
74°
55°
21
69°
52°
22
72°
56°
23
78°
58°
24
79°
57°
25
79°
55°
26
76°
54°
27
76°
55°
28
77°
58°
29
80°
59°
30
81°
60°
31
82°
60°
1
82°
61°
2
83°
61°
3
83°
60°
4
78°
59°
5
75°
56°
6
77°
62°
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 54° to 83°, with overnight lows between 33° and 62°. The average high for May is 72° 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.
