S
M
T
W
T
F
S
26
71°
41°
27
69°
42°
28
68°
42°
29
64°
37°
30
56°
32°
1
55°
32°
2
55°
31°
3
56°
31°
4
57°
32°
5
58°
33°
6
58°
33°
7
59°
34°
8
59°
34°
9
61°
35°
10
66°
35°
11
68°
36°
12
64°
36°
13
63°
38°
14
62°
37°
15
61°
36°
16
60°
37°
17
60°
36°
18
61°
36°
19
63°
37°
20
62°
36°
21
62°
37°
22
63°
38°
23
62°
38°
24
62°
39°
25
61°
38°
26
63°
37°
27
64°
39°
28
63°
38°
29
74°
45°
30
71°
44°
31
71°
41°
1
69°
42°
2
68°
42°
3
69°
41°
4
68°
42°
5
69°
44°
6
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kelowna
Kelowna's May 2026 forecast shows daily high temperatures ranging from 55° to 74°, with overnight lows between 31° and 45°. The average high for May is 64° with an average low of 38°. 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 Kelowna. See also: June | July | August.
