S
M
T
W
T
F
S
29
59°
21°
30
55°
32°
31
46°
31°
1
37°
25°
2
33°
28°
3
35°
30°
4
36°
31°
5
46°
29°
6
38°
16°
7
40°
10°
8
51°
25°
9
51°
34°
10
47°
26°
11
56°
38°
12
64°
54°
13
70°
42°
14
64°
43°
15
61°
39°
16
71°
37°
17
62°
37°
18
46°
27°
19
46°
30°
20
55°
38°
21
57°
41°
22
56°
36°
23
63°
41°
24
48°
34°
25
48°
31°
26
49°
30°
27
50°
29°
28
54°
37°
29
53°
38°
30
61°
38°
1
62°
35°
2
53°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Iron Mountain
Iron Mountain's April 2026 forecast shows daily high temperatures ranging from 46° to 71°, with overnight lows between 26° and 54°. The average high for April is 56° with an average low of 36°. 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 Iron Mountain. See also: May | June | July.