S
M
T
W
T
F
S
26
48°
23°
27
51°
34°
28
57°
34°
29
66°
35°
30
65°
38°
1
67°
42°
2
63°
38°
3
60°
39°
4
59°
40°
5
62°
35°
6
54°
29°
7
55°
30°
8
56°
31°
9
57°
32°
10
57°
32°
11
58°
33°
12
59°
34°
13
63°
37°
14
65°
38°
15
65°
40°
16
66°
43°
17
64°
44°
18
65°
41°
19
69°
43°
20
68°
45°
21
61°
44°
22
64°
43°
23
62°
42°
24
60°
39°
25
61°
36°
26
64°
46°
27
62°
40°
28
68°
44°
29
71°
46°
30
71°
46°
31
63°
40°
1
71°
46°
2
62°
44°
3
65°
43°
4
70°
45°
5
66°
41°
6
72°
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 48° to 72°, with overnight lows between 23° and 47°. The average high for May is 63° with an average low of 39°. 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.
