S
M
T
W
T
F
S
31
56°
34°
1
66°
40°
2
67°
43°
3
67°
41°
4
63°
40°
5
64°
43°
6
62°
44°
7
68°
37°
8
62°
41°
9
68°
44°
10
69°
42°
11
62°
40°
12
59°
37°
13
61°
42°
14
69°
46°
15
71°
46°
16
71°
47°
17
70°
47°
18
71°
48°
19
70°
45°
20
70°
37°
21
63°
39°
22
66°
40°
23
63°
39°
24
62°
38°
25
64°
39°
26
66°
43°
27
71°
43°
28
70°
47°
29
68°
40°
30
66°
41°
1
64°
39°
2
65°
48°
3
73°
48°
4
73°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Banff
Banff's June 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 34° and 48°. The average high for June is 66° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Banff. See also: July | August | September.