S
M
T
W
T
F
S
27
57°
41°
28
N/A
29
54°
45°
30
55°
37°
1
55°
30°
2
54°
37°
3
54°
36°
4
60°
40°
5
63°
47°
6
59°
43°
7
58°
40°
8
53°
40°
9
50°
36°
10
51°
34°
11
56°
40°
12
54°
42°
13
56°
38°
14
43°
28°
15
53°
37°
16
52°
36°
17
47°
35°
18
50°
34°
19
52°
34°
20
54°
36°
21
53°
33°
22
43°
28°
23
38°
29°
24
38°
30°
25
42°
33°
26
50°
32°
27
44°
31°
28
48°
29°
29
43°
31°
30
43°
31°
31
46°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Slave Lake
Slave Lake's October 2026 forecast shows daily high temperatures ranging from 38° to 63°, with overnight lows between 28° and 47°. The average high for October is 50° 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 October weather will actually feel in Slave Lake. See also: November | December | January.
