S
M
T
W
T
F
S
31
79°
59°
1
78°
59°
2
77°
56°
3
77°
57°
4
80°
60°
5
81°
60°
6
80°
61°
7
81°
57°
8
81°
54°
9
74°
54°
10
74°
58°
11
80°
62°
12
82°
63°
13
80°
62°
14
76°
58°
15
75°
56°
16
77°
59°
17
77°
57°
18
79°
60°
19
78°
56°
20
80°
57°
21
81°
58°
22
85°
63°
23
83°
64°
24
81°
59°
25
86°
60°
26
83°
63°
27
84°
62°
28
82°
64°
29
88°
67°
30
88°
63°
1
89°
61°
2
86°
61°
3
84°
65°
4
85°
66°
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 74° to 89°, with overnight lows between 54° and 67°. The average high for June is 81° with an average low of 60°. 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.
