S
M
T
W
T
F
S
31
52°
31°
1
61°
34°
2
57°
36°
3
63°
36°
4
64°
37°
5
66°
39°
6
65°
37°
7
66°
33°
8
59°
33°
9
60°
35°
10
67°
40°
11
66°
39°
12
64°
39°
13
65°
38°
14
65°
36°
15
62°
36°
16
62°
40°
17
69°
43°
18
70°
40°
19
69°
40°
20
63°
41°
21
63°
40°
22
64°
38°
23
64°
39°
24
64°
40°
25
64°
40°
26
66°
41°
27
69°
40°
28
69°
44°
29
70°
41°
30
68°
41°
1
70°
44°
2
71°
42°
3
63°
45°
4
65°
39°
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 71°, with overnight lows between 31° and 45°. The average high for June is 65° 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.
