S
M
T
W
T
F
S
26
56°
39°
27
56°
36°
28
58°
39°
29
61°
43°
30
63°
42°
1
63°
43°
2
67°
42°
3
59°
38°
4
59°
38°
5
60°
42°
6
68°
41°
7
59°
38°
8
60°
41°
9
60°
44°
10
61°
43°
11
61°
39°
12
62°
41°
13
61°
40°
14
61°
40°
15
64°
41°
16
64°
49°
17
72°
50°
18
73°
49°
19
74°
47°
20
70°
45°
21
66°
41°
22
68°
48°
23
74°
49°
24
73°
44°
25
64°
41°
26
64°
44°
27
65°
44°
28
66°
46°
29
73°
49°
30
75°
50°
31
76°
52°
1
78°
51°
2
79°
55°
3
79°
52°
4
71°
51°
5
72°
50°
6
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chelan
Chelan's May 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 36° and 55°. The average high for May is 66° with an average low of 45°. 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 Chelan. See also: June | July | August.
