S
M
T
W
T
F
S
31
57°
33°
1
58°
36°
2
60°
34°
3
58°
35°
4
60°
39°
5
64°
39°
6
66°
41°
7
68°
36°
8
69°
36°
9
62°
37°
10
61°
39°
11
65°
37°
12
61°
39°
13
61°
40°
14
68°
39°
15
64°
40°
16
61°
39°
17
63°
37°
18
63°
39°
19
69°
44°
20
72°
35°
21
72°
39°
22
71°
41°
23
70°
41°
24
66°
39°
25
64°
43°
26
71°
45°
27
73°
43°
28
72°
45°
29
71°
47°
30
70°
46°
1
72°
42°
2
64°
41°
3
70°
43°
4
64°
42°
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 57° to 73°, with overnight lows between 33° and 47°. The average high for June is 66° with an average low of 40°. 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.
