S
M
T
W
T
F
S
31
58°
37°
1
60°
36°
2
62°
37°
3
60°
36°
4
62°
38°
5
62°
38°
6
65°
39°
7
65°
39°
8
64°
40°
9
62°
40°
10
61°
39°
11
59°
39°
12
62°
39°
13
63°
37°
14
64°
40°
15
69°
39°
16
66°
38°
17
65°
39°
18
64°
38°
19
63°
41°
20
63°
40°
21
69°
42°
22
70°
41°
23
68°
40°
24
67°
40°
25
62°
39°
26
63°
39°
27
63°
43°
28
69°
41°
29
63°
41°
30
63°
40°
1
64°
40°
2
68°
43°
3
68°
46°
4
69°
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 58° to 70°, with overnight lows between 36° and 46°. The average high for June is 64° with an average low of 40°. 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.
