S
M
T
W
T
F
S
26
63°
49°
27
66°
51°
28
66°
52°
29
65°
43°
30
57°
38°
1
58°
38°
2
65°
46°
3
70°
49°
4
71°
49°
5
65°
40°
6
59°
39°
7
61°
41°
8
62°
40°
9
62°
40°
10
68°
42°
11
71°
44°
12
73°
48°
13
74°
50°
14
73°
47°
15
74°
51°
16
75°
48°
17
64°
42°
18
64°
43°
19
65°
44°
20
66°
48°
21
65°
44°
22
66°
49°
23
65°
48°
24
66°
44°
25
64°
44°
26
64°
45°
27
66°
44°
28
68°
46°
29
77°
51°
30
78°
47°
31
70°
47°
1
73°
51°
2
72°
50°
3
73°
49°
4
76°
47°
5
75°
46°
6
75°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roy
Roy's May 2026 forecast shows daily high temperatures ranging from 57° to 78°, with overnight lows between 38° and 52°. The average high for May is 68° with an average low of 46°. 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 Roy. See also: June | July | August.
