S
M
T
W
T
F
S
26
63°
53°
27
62°
52°
28
63°
55°
29
65°
55°
30
64°
53°
31
62°
52°
1
62°
53°
2
62°
51°
3
63°
55°
4
65°
54°
5
63°
55°
6
63°
54°
7
64°
54°
8
63°
53°
9
63°
54°
10
64°
55°
11
66°
54°
12
67°
54°
13
64°
53°
14
63°
53°
15
63°
54°
16
67°
53°
17
64°
49°
18
63°
49°
19
63°
50°
20
64°
50°
21
63°
48°
22
63°
49°
23
64°
51°
24
62°
49°
25
63°
50°
26
64°
53°
27
62°
53°
28
65°
51°
29
62°
53°
30
64°
51°
31
62°
52°
1
63°
53°
2
65°
52°
3
65°
48°
4
64°
49°
5
65°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Banff
Banff's August 2026 forecast shows daily high temperatures ranging from 62° to 67°, with overnight lows between 48° and 55°. The average high for August is 64° with an average low of 52°. 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 Banff. See also: September | October | November.
