S
M
T
W
T
F
S
29
34°
11°
30
43°
30°
31
39°
24°
1
31°
24°
2
31°
25°
3
33°
25°
4
33°
24°
5
42°
24°
6
45°
30°
7
33°
26°
8
34°
25°
9
50°
30°
10
56°
38°
11
43°
29°
12
45°
29°
13
42°
38°
14
54°
40°
15
46°
28°
16
40°
30°
17
44°
34°
18
53°
36°
19
49°
33°
20
51°
37°
21
54°
32°
22
43°
34°
23
44°
33°
24
44°
36°
25
45°
35°
26
44°
33°
27
45°
34°
28
45°
32°
29
46°
31°
30
46°
32°
1
49°
38°
2
48°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Green Bay
Green Bay's April 2026 forecast shows daily high temperatures ranging from 34° to 56°, with overnight lows between 25° and 40°. The average high for April is 46° with an average low of 33°. 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 Green Bay. See also: May | June | July.
