S
M
T
W
T
F
S
26
85°
62°
27
85°
72°
28
83°
66°
29
69°
60°
30
66°
54°
1
66°
51°
2
71°
45°
3
75°
45°
4
81°
58°
5
72°
60°
6
72°
50°
7
68°
51°
8
79°
57°
9
82°
60°
10
79°
54°
11
73°
50°
12
76°
56°
13
81°
56°
14
77°
58°
15
80°
63°
16
83°
62°
17
85°
64°
18
85°
67°
19
84°
68°
20
85°
69°
21
82°
63°
22
78°
67°
23
79°
66°
24
79°
67°
25
78°
67°
26
79°
68°
27
80°
66°
28
80°
66°
29
81°
65°
30
80°
65°
31
80°
66°
1
81°
65°
2
83°
68°
3
84°
69°
4
83°
70°
5
82°
70°
6
85°
71°
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 85°, with overnight lows between 50° and 71°. The average high for May is 81° with an average low of 64°. 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.
