S
M
T
W
T
F
S
31
79°
62°
1
81°
63°
2
79°
62°
3
79°
59°
4
78°
60°
5
80°
59°
6
85°
64°
7
86°
59°
8
80°
58°
9
80°
61°
10
81°
60°
11
82°
66°
12
87°
67°
13
88°
67°
14
88°
64°
15
87°
64°
16
83°
65°
17
83°
65°
18
84°
66°
19
85°
66°
20
83°
65°
21
87°
66°
22
87°
66°
23
84°
68°
24
86°
69°
25
89°
70°
26
90°
69°
27
90°
69°
28
89°
70°
29
90°
71°
30
91°
71°
1
91°
70°
2
90°
71°
3
91°
71°
4
91°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Banner
Banner's June 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 58° and 71°. The average high for June is 85° with an average low of 66°. 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 Banner. See also: July | August | September.