S
M
T
W
T
F
S
26
73°
54°
27
66°
54°
28
75°
52°
29
68°
52°
30
72°
48°
31
70°
55°
1
77°
57°
2
59°
54°
3
70°
46°
4
72°
59°
5
72°
54°
6
63°
50°
7
64°
43°
8
70°
54°
9
70°
52°
10
66°
52°
11
66°
50°
12
59°
52°
13
63°
48°
14
66°
43°
15
70°
45°
16
64°
50°
17
72°
43°
18
73°
50°
19
75°
55°
20
70°
50°
21
77°
54°
22
77°
55°
23
68°
61°
24
72°
54°
25
79°
48°
26
81°
55°
27
79°
57°
28
66°
52°
29
70°
45°
30
66°
46°
31
66°
54°
1
75°
50°
2
73°
54°
3
64°
54°
4
59°
50°
5
55°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Slave Lake
Slave Lake's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Slave Lake. See also: September | October | November.
