S
M
T
W
T
F
S
26
83°
62°
27
89°
62°
28
82°
68°
29
80°
64°
30
68°
59°
1
60°
53°
2
71°
48°
3
76°
43°
4
80°
45°
5
79°
52°
6
76°
66°
7
70°
58°
8
65°
58°
9
72°
62°
10
82°
63°
11
76°
63°
12
83°
61°
13
82°
62°
14
80°
55°
15
85°
52°
16
84°
61°
17
88°
56°
18
90°
63°
19
87°
69°
20
87°
68°
21
84°
68°
22
81°
69°
23
80°
66°
24
82°
68°
25
83°
69°
26
81°
67°
27
80°
66°
28
81°
66°
29
83°
65°
30
81°
64°
31
83°
63°
1
86°
64°
2
89°
66°
3
84°
67°
4
84°
64°
5
85°
66°
6
85°
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 80° to 89°, with overnight lows between 63° and 69°. The average high for May is 83° with an average low of 66°. 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.
