S
M
T
W
T
F
S
26
58°
27°
27
59°
36°
28
63°
33°
29
66°
31°
30
71°
32°
1
74°
33°
2
78°
39°
3
80°
38°
4
76°
40°
5
72°
43°
6
78°
37°
7
74°
41°
8
69°
38°
9
70°
35°
10
73°
36°
11
72°
36°
12
81°
36°
13
69°
43°
14
67°
38°
15
62°
33°
16
56°
34°
17
63°
36°
18
70°
39°
19
74°
43°
20
81°
45°
21
83°
46°
22
77°
46°
23
82°
46°
24
76°
46°
25
80°
48°
26
76°
46°
27
70°
41°
28
72°
44°
29
74°
44°
30
79°
50°
31
78°
50°
1
81°
51°
2
78°
51°
3
75°
46°
4
73°
44°
5
71°
45°
6
72°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Inchelium
Inchelium's May 2026 forecast shows daily high temperatures ranging from 56° to 83°, with overnight lows between 33° and 51°. The average high for May is 74° with an average low of 44°. 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 Inchelium. See also: June | July | August.