S
M
T
W
T
F
S
26
66°
28°
27
69°
33°
28
69°
36°
29
75°
41°
30
77°
43°
1
81°
52°
2
83°
50°
3
85°
53°
4
88°
53°
5
87°
54°
6
93°
56°
7
89°
55°
8
85°
57°
9
80°
54°
10
81°
51°
11
84°
55°
12
83°
54°
13
82°
53°
14
72°
44°
15
74°
46°
16
72°
47°
17
71°
47°
18
68°
46°
19
69°
47°
20
70°
48°
21
68°
46°
22
67°
42°
23
71°
46°
24
75°
49°
25
77°
51°
26
78°
52°
27
78°
52°
28
76°
48°
29
73°
49°
30
76°
53°
31
74°
53°
1
70°
51°
2
73°
49°
3
77°
51°
4
71°
50°
5
72°
50°
6
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Okanogan
Okanogan's May 2026 forecast shows daily high temperatures ranging from 67° to 93°, with overnight lows between 42° and 57°. The average high for May is 77° with an average low of 50°. 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 Okanogan. See also: June | July | August.
