S
M
T
W
T
F
S
26
72°
44°
27
71°
46°
28
63°
43°
29
63°
43°
30
65°
42°
31
63°
38°
1
59°
36°
2
60°
37°
3
62°
37°
4
63°
38°
5
61°
36°
6
61°
37°
7
62°
39°
8
62°
36°
9
63°
41°
10
66°
41°
11
64°
43°
12
62°
36°
13
67°
41°
14
70°
44°
15
69°
38°
16
67°
44°
17
70°
44°
18
70°
43°
19
65°
44°
20
69°
44°
21
70°
43°
22
69°
43°
23
68°
40°
24
67°
41°
25
67°
41°
26
64°
40°
27
66°
41°
28
70°
44°
29
71°
40°
30
70°
33°
31
61°
31°
1
56°
32°
2
58°
33°
3
65°
36°
4
66°
39°
5
66°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Louise
Lake Louise's August 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 31° and 46°. The average high for August is 65° 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 August weather will actually feel in Lake Louise. See also: September | October | November.
