S
M
T
W
T
F
S
31
75°
37°
1
68°
44°
2
73°
50°
3
81°
52°
4
88°
55°
5
86°
62°
6
86°
60°
7
81°
60°
8
77°
60°
9
80°
59°
10
78°
61°
11
80°
63°
12
79°
61°
13
82°
60°
14
80°
55°
15
73°
51°
16
72°
51°
17
72°
52°
18
74°
52°
19
76°
54°
20
76°
53°
21
77°
53°
22
75°
54°
23
74°
58°
24
75°
59°
25
76°
54°
26
75°
55°
27
76°
61°
28
80°
60°
29
77°
57°
30
76°
55°
1
76°
55°
2
77°
57°
3
78°
61°
4
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mount Tremper
Mount Tremper's June 2026 forecast shows daily high temperatures ranging from 68° to 88°, with overnight lows between 44° and 63°. The average high for June is 78° 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 Mount Tremper. See also: July | August | September.