S
M
T
W
T
F
S
29
77°
45°
30
90°
56°
31
76°
50°
1
53°
46°
2
73°
41°
3
76°
41°
4
52°
36°
5
62°
32°
6
61°
35°
7
59°
38°
8
78°
45°
9
77°
49°
10
63°
51°
11
74°
62°
12
72°
63°
13
86°
66°
14
78°
55°
15
69°
47°
16
74°
52°
17
70°
51°
18
68°
53°
19
72°
50°
20
73°
47°
21
70°
48°
22
65°
43°
23
61°
50°
24
68°
49°
25
65°
46°
26
62°
48°
27
63°
51°
28
67°
52°
29
71°
52°
30
72°
50°
1
65°
46°
2
62°
46°
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 61° to 86°, with overnight lows between 43° and 66°. The average high for April is 69° 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 Helena. See also: May | June | July.
