S
M
T
W
T
F
S
27
51°
33°
28
53°
36°
29
48°
34°
30
47°
29°
1
55°
32°
2
52°
26°
3
46°
34°
4
50°
35°
5
51°
29°
6
44°
27°
7
47°
35°
8
42°
33°
9
38°
22°
10
44°
25°
11
46°
27°
12
46°
29°
13
43°
33°
14
43°
29°
15
46°
28°
16
45°
27°
17
46°
28°
18
47°
28°
19
42°
28°
20
44°
27°
21
31°
17°
22
38°
24°
23
37°
24°
24
36°
23°
25
37°
23°
26
35°
22°
27
35°
22°
28
34°
21°
29
34°
20°
30
33°
20°
31
34°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Fort Simpson
Fort Simpson's October 2026 forecast shows daily high temperatures ranging from 31° to 47°, with overnight lows between 17° and 33°. The average high for October is 40° with an average low of 25°. 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 Simpson. See also: November | December | January.
