S
M
T
W
T
F
S
31
48°
36°
1
56°
31°
2
62°
34°
3
58°
35°
4
59°
34°
5
59°
37°
6
60°
36°
7
60°
35°
8
64°
36°
9
63°
37°
10
57°
37°
11
58°
38°
12
58°
38°
13
59°
39°
14
60°
39°
15
59°
37°
16
61°
37°
17
61°
38°
18
60°
36°
19
59°
37°
20
59°
37°
21
60°
38°
22
61°
38°
23
62°
39°
24
62°
39°
25
64°
41°
26
63°
43°
27
62°
44°
28
63°
44°
29
63°
43°
30
64°
42°
1
63°
42°
2
63°
47°
3
65°
46°
4
63°
46°
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 48° to 65°, with overnight lows between 31° and 47°. The average high for June is 61° with an average low of 39°. 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.
