S
M
T
W
T
F
S
26
61°
48°
27
70°
49°
28
59°
49°
29
61°
43°
30
57°
37°
1
51°
40°
2
51°
33°
3
60°
36°
4
75°
50°
5
65°
46°
6
56°
43°
7
58°
39°
8
64°
46°
9
70°
52°
10
66°
47°
11
70°
39°
12
76°
40°
13
62°
44°
14
65°
39°
15
67°
44°
16
77°
59°
17
84°
63°
18
86°
63°
19
82°
67°
20
70°
53°
21
64°
50°
22
67°
51°
23
67°
56°
24
72°
57°
25
76°
49°
26
77°
54°
27
79°
59°
28
79°
49°
29
77°
53°
30
76°
48°
31
75°
51°
1
76°
50°
2
78°
51°
3
78°
58°
4
80°
60°
5
77°
58°
6
78°
57°
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 75° to 80°, with overnight lows between 48° and 60°. The average high for May is 78° with an average low of 54°. 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.
