S
M
T
W
T
F
S
26
72°
32°
27
58°
43°
28
57°
48°
29
69°
43°
30
78°
41°
1
76°
44°
2
76°
49°
3
84°
48°
4
79°
50°
5
66°
53°
6
62°
51°
7
66°
50°
8
65°
47°
9
71°
41°
10
69°
46°
11
74°
48°
12
83°
45°
13
58°
49°
14
60°
45°
15
56°
42°
16
57°
40°
17
64°
43°
18
66°
44°
19
68°
45°
20
69°
46°
21
75°
47°
22
71°
47°
23
67°
46°
24
68°
45°
25
67°
47°
26
66°
46°
27
67°
48°
28
61°
48°
29
62°
44°
30
65°
44°
31
70°
48°
1
70°
51°
2
63°
50°
3
62°
46°
4
62°
46°
5
63°
47°
6
62°
46°
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 56° to 75°, with overnight lows between 40° and 51°. The average high for May is 65° 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.
