S
M
T
W
T
F
S
31
71°
50°
1
71°
50°
2
75°
51°
3
78°
54°
4
77°
51°
5
67°
49°
6
70°
48°
7
73°
53°
8
74°
48°
9
77°
51°
10
77°
51°
11
70°
50°
12
71°
52°
13
71°
48°
14
73°
50°
15
73°
55°
16
79°
54°
17
83°
55°
18
83°
57°
19
84°
55°
20
83°
57°
21
80°
54°
22
79°
55°
23
86°
56°
24
87°
59°
25
88°
62°
26
89°
61°
27
88°
62°
28
79°
54°
29
81°
57°
30
84°
59°
1
88°
61°
2
89°
62°
3
90°
63°
4
90°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Green Mountain
Green Mountain's June 2026 forecast shows daily high temperatures ranging from 67° to 90°, with overnight lows between 48° and 63°. The average high for June is 79° with an average low of 55°. 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 Green Mountain. See also: July | August | September.