S
M
T
W
T
F
S
26
81°
61°
27
81°
61°
28
70°
57°
29
82°
63°
30
72°
57°
1
66°
52°
2
68°
52°
3
70°
43°
4
79°
43°
5
81°
50°
6
79°
64°
7
70°
57°
8
72°
48°
9
75°
55°
10
82°
57°
11
79°
57°
12
77°
59°
13
81°
55°
14
75°
55°
15
78°
54°
16
84°
65°
17
86°
65°
18
86°
65°
19
85°
66°
20
84°
65°
21
82°
63°
22
80°
61°
23
82°
62°
24
83°
63°
25
84°
62°
26
85°
63°
27
86°
64°
28
84°
59°
29
84°
64°
30
82°
63°
31
83°
60°
1
82°
61°
2
85°
63°
3
86°
64°
4
86°
65°
5
85°
65°
6
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roxana
Roxana's May 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 54° and 66°. The average high for May is 84° with an average low of 63°. 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 Roxana. See also: June | July | August.