S
M
T
W
T
F
S
26
52°
43°
27
73°
36°
28
72°
48°
29
61°
52°
30
68°
41°
1
66°
36°
2
63°
41°
3
64°
37°
4
73°
41°
5
82°
55°
6
73°
55°
7
70°
52°
8
73°
36°
9
77°
50°
10
82°
43°
11
64°
39°
12
73°
36°
13
75°
50°
14
61°
46°
15
77°
45°
16
84°
43°
17
90°
55°
18
97°
57°
19
94°
65°
20
91°
59°
21
64°
53°
22
58°
53°
23
67°
56°
24
74°
59°
25
74°
60°
26
77°
60°
27
79°
59°
28
79°
58°
29
77°
55°
30
79°
57°
31
82°
58°
1
85°
54°
2
78°
59°
3
75°
59°
4
79°
58°
5
76°
55°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rileyville
Rileyville's May 2026 forecast shows daily high temperatures ranging from 58° to 94°, with overnight lows between 53° and 65°. The average high for May is 77° with an average low of 58°. 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 Rileyville. See also: June | July | August.