S
M
T
W
T
F
S
27
75°
46°
28
69°
54°
29
80°
53°
30
80°
44°
1
64°
38°
2
63°
33°
3
70°
38°
4
70°
33°
5
76°
39°
6
78°
43°
7
73°
37°
8
70°
41°
9
78°
41°
10
81°
42°
11
52°
44°
12
46°
42°
13
45°
41°
14
57°
38°
15
48°
43°
16
54°
32°
17
73°
42°
18
66°
34°
19
63°
39°
20
63°
44°
21
63°
41°
22
64°
52°
23
66°
42°
24
52°
32°
25
49°
37°
26
50°
35°
27
50°
38°
28
53°
39°
29
48°
27°
30
55°
32°
31
50°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Bismarck
Bismarck's October 2026 forecast shows daily high temperatures ranging from 48° to 73°, with overnight lows between 27° and 52°. The average high for October is 57° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Bismarck. See also: November | December | January.
