S
M
T
W
T
F
S
26
49°
30°
27
51°
31°
28
52°
33°
29
62°
32°
30
68°
33°
1
71°
39°
2
70°
39°
3
75°
41°
4
75°
43°
5
65°
39°
6
71°
41°
7
70°
44°
8
74°
47°
9
72°
43°
10
71°
43°
11
68°
44°
12
64°
38°
13
58°
33°
14
59°
34°
15
59°
34°
16
63°
36°
17
65°
37°
18
67°
44°
19
60°
43°
20
58°
41°
21
60°
42°
22
60°
39°
23
59°
37°
24
61°
37°
25
64°
39°
26
70°
42°
27
71°
46°
28
66°
43°
29
62°
42°
30
63°
41°
31
63°
46°
1
66°
44°
2
63°
43°
3
69°
47°
4
66°
47°
5
65°
45°
6
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kalispell
Kalispell's May 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 32° and 49°. The average high for May is 66° with an average low of 41°. 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 Kalispell. See also: June | July | August.
