S
M
T
W
T
F
S
31
73°
46°
1
80°
46°
2
84°
50°
3
89°
59°
4
80°
56°
5
89°
53°
6
76°
54°
7
66°
48°
8
83°
50°
9
75°
55°
10
68°
48°
11
79°
44°
12
86°
51°
13
84°
51°
14
85°
53°
15
90°
56°
16
96°
61°
17
88°
56°
18
90°
63°
19
95°
67°
20
90°
58°
21
87°
59°
22
93°
60°
23
98°
65°
24
94°
62°
25
93°
62°
26
90°
63°
27
90°
63°
28
91°
62°
29
87°
57°
30
91°
63°
1
86°
62°
2
88°
63°
3
92°
64°
4
93°
64°
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 86° to 98°, with overnight lows between 56° and 67°. The average high for June is 91° with an average low of 62°. 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.
