S
M
T
W
T
F
S
31
89°
57°
1
91°
56°
2
87°
52°
3
89°
50°
4
81°
54°
5
84°
56°
6
88°
56°
7
92°
52°
8
83°
52°
9
83°
54°
10
84°
58°
11
88°
58°
12
91°
51°
13
85°
50°
14
82°
51°
15
84°
53°
16
86°
53°
17
87°
55°
18
88°
58°
19
89°
59°
20
90°
62°
21
91°
58°
22
89°
59°
23
91°
60°
24
93°
57°
25
90°
59°
26
89°
59°
27
89°
60°
28
90°
65°
29
97°
62°
30
98°
62°
1
92°
61°
2
89°
63°
3
92°
65°
4
95°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Boise City
Boise City's June 2026 forecast shows daily high temperatures ranging from 81° to 98°, with overnight lows between 50° and 66°. The average high for June is 89° with an average low of 57°. 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 City. See also: July | August | September.
