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
58°
41°
16
48°
35°
17
52°
28°
18
58°
35°
19
62°
43°
20
66°
41°
21
64°
42°
22
65°
43°
23
66°
42°
24
69°
44°
25
68°
44°
26
64°
47°
27
66°
44°
28
68°
42°
29
61°
39°
30
67°
47°
31
63°
46°
1
68°
46°
2
68°
47°
3
63°
43°
4
63°
44°
5
62°
41°
6
61°
39°
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 48° to 69°, with overnight lows between 28° and 47°. The average high for May is 63° with an average low of 42°. 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.
