S
M
T
W
T
F
S
29
62°
26°
30
71°
51°
31
83°
59°
1
86°
62°
2
65°
48°
3
84°
47°
4
87°
67°
5
74°
49°
6
63°
44°
7
56°
39°
8
55°
32°
9
62°
41°
10
78°
56°
11
70°
46°
12
76°
62°
13
84°
61°
14
87°
63°
15
94°
67°
16
90°
64°
17
88°
54°
18
75°
49°
19
69°
51°
20
73°
49°
21
69°
49°
22
68°
45°
23
64°
44°
24
62°
50°
25
70°
49°
26
67°
47°
27
63°
43°
28
62°
44°
29
63°
43°
30
62°
43°
1
64°
52°
2
73°
52°
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 62° to 94°, with overnight lows between 41° and 67°. The average high for April is 72° with an average low of 51°. 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.
