S
M
T
W
T
F
S
31
56°
30°
1
56°
31°
2
57°
34°
3
60°
34°
4
61°
39°
5
66°
41°
6
66°
38°
7
65°
37°
8
66°
39°
9
67°
37°
10
66°
38°
11
64°
34°
12
59°
36°
13
62°
36°
14
66°
40°
15
68°
40°
16
69°
39°
17
65°
37°
18
68°
38°
19
67°
39°
20
68°
40°
21
63°
41°
22
63°
38°
23
65°
39°
24
70°
39°
25
71°
42°
26
71°
41°
27
70°
37°
28
69°
44°
29
71°
44°
30
72°
46°
1
73°
45°
2
73°
47°
3
72°
44°
4
71°
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 56° to 73°, with overnight lows between 30° and 47°. The average high for June is 66° 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.
