S
M
T
W
T
F
S
29
47°
19°
30
35°
19°
31
40°
11°
1
50°
23°
2
38°
28°
3
47°
28°
4
53°
34°
5
53°
28°
6
54°
28°
7
54°
23°
8
49°
16°
9
52°
19°
10
64°
21°
11
53°
35°
12
59°
37°
13
50°
32°
14
45°
32°
15
42°
22°
16
38°
18°
17
44°
21°
18
48°
26°
19
51°
29°
20
52°
26°
21
53°
29°
22
50°
27°
23
48°
29°
24
54°
26°
25
45°
20°
26
48°
22°
27
48°
22°
28
49°
23°
29
53°
24°
30
58°
30°
1
52°
32°
2
53°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Kalispell Northwest
Kalispell Northwest's April 2026 forecast shows daily high temperatures ranging from 38° to 59°, with overnight lows between 18° and 37°. The average high for April is 50° with an average low of 27°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Kalispell Northwest. See also: May | June | July.
