S
M
T
W
T
F
S
26
56°
42°
27
53°
41°
28
53°
39°
29
54°
41°
30
55°
45°
1
58°
46°
2
58°
44°
3
55°
43°
4
55°
45°
5
56°
42°
6
55°
41°
7
58°
43°
8
59°
46°
9
56°
46°
10
56°
45°
11
57°
47°
12
59°
47°
13
57°
46°
14
57°
45°
15
58°
45°
16
57°
46°
17
57°
46°
18
64°
48°
19
60°
48°
20
60°
47°
21
61°
46°
22
60°
45°
23
60°
48°
24
61°
49°
25
63°
47°
26
63°
49°
27
62°
49°
28
66°
48°
29
61°
47°
30
62°
48°
31
63°
44°
1
62°
43°
2
63°
48°
3
63°
46°
4
62°
45°
5
62°
47°
6
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Selby
Selby's May 2026 forecast shows daily high temperatures ranging from 53° to 66°, with overnight lows between 39° and 49°. The average high for May is 59° 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 Selby. See also: June | July | August.