S
M
T
W
T
F
S
26
87°
68°
27
88°
74°
28
92°
76°
29
83°
64°
30
77°
61°
1
66°
53°
2
75°
50°
3
79°
50°
4
82°
69°
5
91°
74°
6
88°
61°
7
66°
61°
8
81°
65°
9
86°
69°
10
93°
66°
11
81°
61°
12
84°
63°
13
88°
67°
14
87°
66°
15
88°
69°
16
89°
69°
17
85°
66°
18
80°
68°
19
82°
66°
20
84°
68°
21
87°
66°
22
82°
62°
23
81°
62°
24
82°
65°
25
85°
63°
26
82°
62°
27
82°
63°
28
81°
65°
29
81°
67°
30
82°
68°
31
83°
69°
1
84°
69°
2
85°
68°
3
85°
72°
4
86°
72°
5
85°
70°
6
85°
70°
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 66° to 93°, with overnight lows between 61° and 74°. The average high for May is 84° with an average low of 67°. 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.
