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°
27°
6
69°
44°
7
67°
42°
8
68°
45°
9
65°
37°
10
74°
46°
11
74°
45°
12
70°
43°
13
69°
42°
14
72°
44°
15
64°
39°
16
65°
41°
17
65°
42°
18
66°
38°
19
59°
36°
20
60°
35°
21
63°
37°
22
70°
45°
23
70°
45°
24
69°
43°
25
71°
46°
26
70°
46°
27
61°
45°
28
62°
40°
29
63°
39°
30
71°
44°
31
72°
47°
1
74°
48°
2
73°
49°
3
74°
49°
4
74°
48°
5
73°
48°
6
73°
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 59° to 74°, with overnight lows between 27° and 49°. The average high for May is 68° 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.
