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
95°
62°
17
86°
60°
18
84°
53°
19
93°
58°
20
80°
63°
21
89°
58°
22
89°
55°
23
95°
58°
24
95°
61°
25
92°
65°
26
78°
53°
27
63°
50°
28
64°
45°
29
71°
52°
30
80°
53°
1
83°
55°
2
84°
58°
3
88°
59°
4
92°
62°
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 80° to 92°, with overnight lows between 53° and 62°. The average high for June is 85° 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. See also: July | August | September.
