S
M
T
W
T
F
S
31
58°
34°
1
59°
32°
2
57°
36°
3
64°
37°
4
66°
39°
5
67°
41°
6
67°
41°
7
68°
39°
8
66°
39°
9
67°
38°
10
67°
40°
11
68°
42°
12
68°
42°
13
67°
43°
14
69°
42°
15
70°
42°
16
70°
43°
17
71°
33°
18
68°
42°
19
68°
42°
20
66°
40°
21
65°
40°
22
67°
42°
23
65°
39°
24
65°
38°
25
64°
42°
26
71°
42°
27
72°
47°
28
73°
47°
29
72°
46°
30
64°
41°
1
63°
41°
2
Hist. Avg.
68°
44°
3
Hist. Avg.
68°
44°
4
Hist. Avg.
68°
45°
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 32° and 47°. The average high for June is 67° 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.
