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
60°
41°
17
64°
41°
18
65°
42°
19
65°
47°
20
67°
50°
21
68°
44°
22
69°
44°
23
65°
39°
24
63°
41°
25
64°
44°
26
64°
45°
27
62°
42°
28
60°
44°
29
68°
43°
30
71°
48°
1
71°
48°
2
70°
47°
3
70°
48°
4
69°
48°
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 60° to 71°, with overnight lows between 39° and 50°. The average high for June is 66° with an average low of 45°. 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.
