S
M
T
W
T
F
S
31
75°
40°
1
74°
49°
2
75°
43°
3
81°
45°
4
85°
47°
5
88°
50°
6
85°
56°
7
81°
62°
8
74°
57°
9
80°
50°
10
82°
65°
11
89°
70°
12
89°
69°
13
85°
59°
14
88°
58°
15
72°
56°
16
73°
47°
17
78°
48°
18
84°
65°
19
79°
58°
20
79°
52°
21
80°
53°
22
65°
58°
23
72°
55°
24
82°
52°
25
84°
65°
26
80°
64°
27
78°
61°
28
84°
57°
29
84°
61°
30
84°
62°
1
86°
63°
2
86°
63°
3
84°
63°
4
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Montana
Montana's June 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 52° and 65°. The average high for June is 82° with an average low of 61°. 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 Montana. See also: July | August | September.
