S
M
T
W
T
F
S
29
61°
19°
30
56°
28°
31
42°
29°
1
37°
24°
2
33°
27°
3
32°
28°
4
35°
28°
5
45°
26°
6
33°
2°
7
40°
-4°
8
51°
29°
9
41°
33°
10
43°
31°
11
50°
43°
12
58°
38°
13
44°
37°
14
54°
42°
15
53°
40°
16
60°
44°
17
54°
33°
18
51°
38°
19
56°
43°
20
58°
40°
21
58°
41°
22
56°
33°
23
48°
37°
24
48°
37°
25
49°
35°
26
48°
32°
27
50°
33°
28
53°
41°
29
52°
42°
30
58°
41°
1
55°
37°
2
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Ontonagon
Ontonagon's April 2026 forecast shows daily high temperatures ranging from 41° to 60°, with overnight lows between 31° and 44°. The average high for April is 52° with an average low of 38°. 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 Ontonagon. See also: May | June | July.
