S
M
T
W
T
F
S
29
66°
30°
30
53°
30°
31
39°
27°
1
32°
27°
2
34°
30°
3
31°
28°
4
42°
30°
5
45°
21°
6
32°
18°
7
48°
21°
8
44°
32°
9
45°
26°
10
61°
23°
11
61°
38°
12
74°
41°
13
50°
36°
14
61°
35°
15
72°
41°
16
61°
27°
17
35°
21°
18
45°
24°
19
55°
31°
20
64°
39°
21
69°
34°
22
58°
31°
23
50°
32°
24
57°
34°
25
58°
33°
26
51°
31°
27
51°
35°
28
55°
30°
29
51°
32°
30
59°
38°
1
56°
41°
2
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Bismarck
Bismarck's April 2026 forecast shows daily high temperatures ranging from 35° to 74°, with overnight lows between 21° and 41°. The average high for April is 56° 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 Bismarck. See also: May | June | July.
