S
M
T
W
T
F
S
26
49°
30°
27
51°
31°
28
52°
33°
29
60°
29°
30
66°
28°
1
71°
30°
2
72°
36°
3
73°
33°
4
65°
47°
5
59°
33°
6
67°
29°
7
68°
44°
8
70°
38°
9
70°
43°
10
73°
37°
11
74°
41°
12
76°
36°
13
65°
43°
14
58°
45°
15
60°
40°
16
48°
33°
17
53°
28°
18
60°
37°
19
62°
39°
20
61°
33°
21
63°
39°
22
70°
47°
23
70°
47°
24
68°
42°
25
67°
44°
26
68°
45°
27
67°
43°
28
70°
48°
29
74°
44°
30
68°
42°
31
63°
40°
1
67°
43°
2
71°
45°
3
72°
48°
4
73°
48°
5
68°
45°
6
68°
47°
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 53° to 74°, with overnight lows between 28° and 48°. The average high for May is 67° with an average low of 43°. 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.
