S
M
T
W
T
F
S
29
55°
19°
30
45°
26°
31
47°
17°
1
59°
23°
2
44°
30°
3
42°
28°
4
59°
27°
5
53°
28°
6
56°
24°
7
69°
29°
8
50°
22°
9
52°
27°
10
67°
40°
11
73°
42°
12
54°
35°
13
48°
31°
14
59°
40°
15
57°
32°
16
48°
28°
17
53°
34°
18
58°
36°
19
53°
34°
20
51°
35°
21
56°
28°
22
54°
34°
23
52°
27°
24
48°
27°
25
49°
28°
26
48°
29°
27
48°
28°
28
49°
31°
29
50°
32°
30
52°
28°
1
54°
29°
2
56°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Great Falls
Great Falls's April 2026 forecast shows daily high temperatures ranging from 48° to 73°, with overnight lows between 22° and 42°. The average high for April is 54° with an average low of 31°. 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 Great Falls. See also: May | June | July.
