S
M
T
W
T
F
S
31
86°
57°
1
85°
53°
2
82°
48°
3
74°
48°
4
74°
49°
5
72°
48°
6
71°
54°
7
74°
56°
8
83°
57°
9
83°
48°
10
74°
44°
11
73°
45°
12
73°
48°
13
75°
47°
14
76°
48°
15
80°
50°
16
82°
51°
17
79°
51°
18
76°
48°
19
77°
53°
20
79°
55°
21
84°
51°
22
77°
51°
23
81°
54°
24
83°
53°
25
81°
59°
26
88°
59°
27
91°
62°
28
92°
62°
29
90°
60°
30
85°
62°
1
91°
60°
2
87°
55°
3
82°
54°
4
86°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Boise Junction
Boise Junction's June 2026 forecast shows daily high temperatures ranging from 71° to 92°, with overnight lows between 44° and 62°. The average high for June is 81° with an average low of 53°. 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 Boise Junction. See also: July | August | September.