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
77°
43°
13
45°
38°
14
63°
37°
15
72°
35°
16
68°
27°
17
35°
19°
18
47°
26°
19
57°
34°
20
74°
36°
21
72°
43°
22
71°
46°
23
61°
37°
24
54°
34°
25
58°
31°
26
53°
32°
27
55°
34°
28
59°
38°
29
61°
35°
30
64°
39°
1
52°
39°
2
54°
38°
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 19° and 46°. The average high for April is 59° with an average low of 35°. 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.
