S
M
T
W
T
F
S
26
65°
25°
27
68°
28°
28
71°
35°
29
74°
37°
30
79°
37°
1
79°
40°
2
80°
47°
3
81°
41°
4
84°
49°
5
81°
49°
6
85°
44°
7
82°
46°
8
75°
43°
9
79°
39°
10
77°
58°
11
76°
46°
12
82°
43°
13
72°
51°
14
69°
46°
15
58°
41°
16
59°
43°
17
69°
42°
18
71°
40°
19
71°
44°
20
74°
46°
21
78°
46°
22
75°
45°
23
76°
45°
24
77°
47°
25
76°
46°
26
70°
47°
27
73°
49°
28
76°
51°
29
86°
58°
30
67°
42°
31
68°
42°
1
75°
48°
2
77°
51°
3
77°
50°
4
76°
47°
5
71°
44°
6
75°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Okanagan Falls
Okanagan Falls's May 2026 forecast shows daily high temperatures ranging from 59° to 86°, with overnight lows between 40° and 58°. The average high for May is 74° 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 Okanagan Falls. See also: June | July | August.
