S
M
T
W
T
F
S
26
60°
46°
27
59°
43°
28
58°
41°
29
58°
44°
30
59°
45°
1
59°
45°
2
60°
44°
3
60°
40°
4
58°
39°
5
59°
39°
6
62°
40°
7
66°
47°
8
65°
45°
9
64°
44°
10
66°
42°
11
62°
41°
12
61°
41°
13
62°
42°
14
61°
43°
15
63°
42°
16
64°
43°
17
65°
45°
18
65°
44°
19
66°
44°
20
66°
45°
21
67°
47°
22
70°
51°
23
71°
54°
24
71°
56°
25
76°
52°
26
68°
50°
27
69°
56°
28
78°
55°
29
77°
51°
30
74°
49°
31
70°
50°
1
69°
49°
2
76°
50°
3
79°
57°
4
80°
58°
5
81°
58°
6
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Selkirk
Selkirk's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 39° and 58°. The average high for May is 67° with an average low of 47°. 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 Selkirk. See also: June | July | August.