S
M
T
W
T
F
S
31
74°
50°
1
81°
56°
2
80°
54°
3
81°
57°
4
76°
50°
5
69°
46°
6
70°
46°
7
71°
46°
8
75°
50°
9
79°
56°
10
82°
58°
11
84°
59°
12
85°
59°
13
86°
60°
14
85°
60°
15
84°
55°
16
74°
51°
17
78°
54°
18
86°
59°
19
87°
60°
20
87°
59°
21
82°
57°
22
88°
61°
23
89°
61°
24
90°
63°
25
89°
63°
26
90°
60°
27
91°
62°
28
89°
58°
29
85°
54°
30
83°
53°
1
82°
59°
2
84°
52°
3
80°
52°
4
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Boise
Boise's June 2026 forecast shows daily high temperatures ranging from 69° to 91°, with overnight lows between 46° and 63°. The average high for June is 82° with an average low of 56°. 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. See also: July | August | September.
