S
M
T
W
T
F
S
31
54°
29°
1
53°
30°
2
55°
34°
3
55°
34°
4
56°
33°
5
55°
32°
6
55°
31°
7
56°
31°
8
58°
32°
9
61°
36°
10
65°
38°
11
66°
39°
12
67°
41°
13
67°
41°
14
66°
39°
15
62°
39°
16
60°
38°
17
60°
39°
18
62°
39°
19
61°
43°
20
62°
43°
21
61°
42°
22
60°
41°
23
60°
40°
24
61°
41°
25
61°
40°
26
62°
40°
27
62°
41°
28
63°
41°
29
65°
41°
30
66°
45°
1
67°
43°
2
64°
42°
3
64°
44°
4
65°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Summit
Summit's June 2026 forecast shows daily high temperatures ranging from 53° to 67°, with overnight lows between 29° and 45°. The average high for June is 61° with an average low of 38°. 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 Summit. See also: July | August | September.
