S
M
T
W
T
F
S
26
84°
63°
27
88°
72°
28
81°
72°
29
76°
62°
30
69°
57°
1
58°
54°
2
74°
48°
3
81°
55°
4
81°
62°
5
84°
72°
6
75°
52°
7
71°
49°
8
80°
55°
9
80°
62°
10
77°
59°
11
79°
56°
12
80°
58°
13
83°
62°
14
81°
62°
15
82°
59°
16
79°
63°
17
78°
62°
18
78°
63°
19
79°
64°
20
79°
64°
21
83°
58°
22
79°
57°
23
78°
57°
24
78°
58°
25
79°
59°
26
79°
58°
27
80°
58°
28
80°
59°
29
81°
63°
30
82°
65°
31
80°
66°
1
82°
66°
2
83°
65°
3
83°
67°
4
85°
67°
5
84°
66°
6
83°
68°
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 71° to 85°, with overnight lows between 48° and 72°. 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.
