S
M
T
W
T
F
S
31
51°
36°
1
57°
44°
2
66°
35°
3
68°
34°
4
66°
38°
5
59°
42°
6
54°
43°
7
53°
42°
8
48°
34°
9
55°
30°
10
60°
34°
11
63°
40°
12
59°
36°
13
60°
36°
14
61°
39°
15
57°
38°
16
60°
39°
17
59°
41°
18
66°
40°
19
61°
37°
20
62°
39°
21
61°
42°
22
61°
41°
23
62°
39°
24
64°
42°
25
62°
43°
26
62°
42°
27
63°
46°
28
63°
46°
29
62°
45°
30
62°
46°
1
63°
44°
2
62°
45°
3
62°
46°
4
63°
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 48° to 66°, with overnight lows between 30° and 46°. The average high for June is 60° with an average low of 41°. 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.
