S
M
T
W
T
F
S
29
56°
31°
30
56°
32°
31
51°
30°
1
36°
27°
2
32°
27°
3
35°
29°
4
36°
29°
5
44°
27°
6
36°
18°
7
37°
15°
8
56°
26°
9
49°
32°
10
48°
28°
11
53°
26°
12
66°
39°
13
76°
49°
14
65°
49°
15
64°
48°
16
72°
48°
17
75°
33°
18
43°
28°
19
41°
23°
20
51°
37°
21
66°
31°
22
64°
42°
23
72°
52°
24
66°
42°
25
54°
35°
26
51°
34°
27
55°
35°
28
57°
35°
29
58°
36°
30
60°
37°
1
62°
41°
2
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Birnamwood
Birnamwood's April 2026 forecast shows daily high temperatures ranging from 41° to 75°, with overnight lows between 23° and 52°. The average high for April is 58° 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 Birnamwood. See also: May | June | July.