S
M
T
W
T
F
S
31
51°
36°
1
57°
44°
2
66°
35°
3
68°
34°
4
70°
34°
5
65°
39°
6
67°
38°
7
62°
42°
8
59°
41°
9
56°
37°
10
64°
28°
11
66°
38°
12
69°
44°
13
71°
36°
14
69°
48°
15
64°
45°
16
63°
44°
17
67°
45°
18
68°
37°
19
76°
39°
20
75°
45°
21
73°
48°
22
73°
46°
23
57°
45°
24
63°
44°
25
68°
39°
26
70°
50°
27
57°
48°
28
61°
45°
29
58°
41°
30
51°
34°
1
64°
35°
2
64°
42°
3
64°
44°
4
68°
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 51° to 70°, with overnight lows between 34° and 50°. The average high for June is 62° with an average low of 43°. 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.
