S
M
T
W
T
F
S
27
63°
37°
28
69°
42°
29
74°
42°
30
63°
40°
1
63°
35°
2
74°
43°
3
66°
45°
4
74°
41°
5
82°
45°
6
71°
42°
7
71°
41°
8
73°
41°
9
84°
45°
10
54°
43°
11
43°
36°
12
40°
33°
13
52°
37°
14
63°
31°
15
52°
28°
16
64°
27°
17
75°
37°
18
60°
38°
19
67°
38°
20
66°
36°
21
69°
35°
22
73°
41°
23
65°
36°
24
47°
30°
25
47°
31°
26
43°
29°
27
43°
32°
28
47°
29°
29
40°
30°
30
41°
38°
31
47°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Fort Peck
Fort Peck's October 2026 forecast shows daily high temperatures ranging from 41° to 47°, with overnight lows between 38° and 41°. The average high for October is 44° with an average low of 40°. 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 Fort Peck. See also: November | December | January.
