S
M
T
W
T
F
S
31
69°
56°
1
76°
61°
2
89°
60°
3
85°
65°
4
82°
63°
5
84°
63°
6
89°
57°
7
92°
62°
8
80°
65°
9
93°
66°
10
82°
58°
11
70°
58°
12
81°
56°
13
71°
53°
14
75°
44°
15
82°
52°
16
76°
47°
17
70°
56°
18
71°
53°
19
74°
53°
20
75°
48°
21
75°
50°
22
77°
46°
23
82°
55°
24
73°
57°
25
76°
54°
26
75°
55°
27
81°
63°
28
84°
64°
29
90°
65°
30
84°
61°
1
84°
64°
2
88°
64°
3
83°
64°
4
83°
65°
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 83° to 88°, with overnight lows between 64° and 65°. The average high for June is 85° with an average low of 64°. 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.