S
M
T
W
T
F
S
31
52°
29°
1
53°
30°
2
54°
30°
3
55°
30°
4
55°
31°
5
56°
32°
6
59°
37°
7
59°
38°
8
58°
35°
9
60°
35°
10
62°
36°
11
61°
37°
12
61°
35°
13
60°
36°
14
62°
36°
15
62°
37°
16
66°
43°
17
69°
40°
18
68°
40°
19
70°
43°
20
69°
40°
21
70°
39°
22
64°
40°
23
62°
39°
24
63°
40°
25
70°
44°
26
71°
46°
27
71°
41°
28
65°
44°
29
71°
47°
30
72°
46°
1
73°
47°
2
69°
41°
3
64°
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 52° to 73°, with overnight lows between 29° and 47°. The average high for June is 64° with an average low of 39°. 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.
