S
M
T
W
T
F
S
26
74°
45°
27
74°
49°
28
60°
46°
29
59°
39°
30
55°
35°
1
55°
35°
2
60°
32°
3
76°
47°
4
82°
43°
5
59°
42°
6
56°
36°
7
66°
31°
8
73°
40°
9
73°
40°
10
68°
39°
11
69°
49°
12
76°
46°
13
68°
44°
14
72°
52°
15
81°
55°
16
79°
56°
17
81°
57°
18
80°
57°
19
78°
54°
20
82°
59°
21
81°
60°
22
76°
52°
23
77°
56°
24
80°
58°
25
80°
59°
26
81°
60°
27
81°
60°
28
80°
59°
29
80°
58°
30
74°
55°
31
75°
56°
1
71°
57°
2
73°
60°
3
78°
60°
4
77°
59°
5
81°
61°
6
81°
60°
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 68° to 82°, with overnight lows between 39° and 61°. The average high for May is 77° with an average low of 55°. 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.
