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
66°
31°
17
33°
25°
18
45°
24°
19
48°
30°
20
74°
37°
21
77°
44°
22
82°
49°
23
64°
28°
24
46°
22°
25
51°
28°
26
53°
31°
27
54°
33°
28
55°
32°
29
53°
33°
30
57°
35°
1
61°
36°
2
58°
41°
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 45° to 82°, with overnight lows between 22° and 49°. The average high for April is 59° with an average low of 34°. 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.
