S
M
T
W
T
F
S
31
37°
31°
1
48°
29°
2
57°
30°
3
61°
32°
4
59°
41°
5
66°
35°
6
65°
44°
7
51°
31°
8
49°
36°
9
42°
29°
10
33°
31°
11
47°
37°
12
57°
40°
13
54°
28°
14
51°
32°
15
57°
33°
16
61°
37°
17
60°
36°
18
57°
36°
19
60°
38°
20
61°
39°
21
64°
35°
22
61°
38°
23
59°
33°
24
61°
38°
25
59°
34°
26
59°
34°
27
65°
38°
28
69°
41°
29
70°
41°
30
70°
42°
1
66°
40°
2
65°
39°
3
71°
42°
4
71°
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 33° to 71°, with overnight lows between 28° and 42°. The average high for June is 59° with an average low of 37°. 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.
