S
M
T
W
T
F
S
29
67°
38°
30
45°
27°
31
44°
23°
1
57°
34°
2
44°
33°
3
51°
31°
4
60°
35°
5
60°
32°
6
63°
35°
7
69°
33°
8
59°
27°
9
60°
31°
10
70°
41°
11
71°
43°
12
59°
40°
13
57°
41°
14
61°
39°
15
57°
39°
16
54°
31°
17
60°
36°
18
63°
39°
19
58°
35°
20
60°
36°
21
59°
37°
22
51°
33°
23
51°
29°
24
49°
29°
25
51°
30°
26
50°
31°
27
50°
31°
28
51°
32°
29
52°
32°
30
54°
31°
1
55°
32°
2
56°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Helena
Helena's April 2026 forecast shows daily high temperatures ranging from 49° to 71°, with overnight lows between 29° and 43°. The average high for April is 57° with an average low of 35°. 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 Helena. See also: May | June | July.
