S
M
T
W
T
F
S
26
79°
49°
27
82°
61°
28
70°
57°
29
66°
51°
30
64°
42°
1
63°
42°
2
59°
41°
3
70°
43°
4
81°
54°
5
66°
52°
6
63°
44°
7
64°
39°
8
73°
46°
9
78°
55°
10
73°
56°
11
73°
45°
12
82°
59°
13
75°
45°
14
73°
56°
15
86°
66°
16
85°
65°
17
87°
66°
18
84°
65°
19
74°
61°
20
75°
57°
21
75°
58°
22
80°
62°
23
81°
64°
24
81°
61°
25
78°
57°
26
81°
62°
27
81°
62°
28
82°
61°
29
82°
62°
30
79°
62°
31
76°
58°
1
78°
60°
2
82°
63°
3
83°
64°
4
81°
63°
5
82°
62°
6
83°
63°
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 73° to 87°, with overnight lows between 45° and 66°. The average high for May is 80° with an average low of 61°. 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.
