S
M
T
W
T
F
S
29
70°
45°
30
79°
55°
31
83°
55°
1
84°
55°
2
82°
57°
3
85°
56°
4
84°
63°
5
82°
55°
6
72°
51°
7
77°
49°
8
70°
50°
9
76°
52°
10
78°
53°
11
78°
56°
12
83°
55°
13
84°
58°
14
86°
59°
15
87°
58°
16
86°
59°
17
85°
51°
18
81°
57°
19
80°
56°
20
81°
58°
21
82°
58°
22
82°
57°
23
83°
58°
24
82°
58°
25
82°
57°
26
83°
58°
27
84°
59°
28
83°
58°
29
82°
58°
30
80°
57°
1
80°
59°
2
81°
57°
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 70° to 87°, with overnight lows between 49° and 63°. The average high for April is 81° with an average low of 56°. 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.
