S
M
T
W
T
F
S
31
78°
58°
1
82°
60°
2
84°
62°
3
83°
62°
4
84°
63°
5
80°
63°
6
79°
64°
7
82°
64°
8
86°
63°
9
86°
65°
10
87°
65°
11
86°
64°
12
84°
64°
13
80°
63°
14
81°
60°
15
81°
60°
16
82°
59°
17
83°
62°
18
86°
63°
19
87°
63°
20
91°
65°
21
88°
64°
22
84°
62°
23
90°
64°
24
91°
63°
25
85°
63°
26
86°
64°
27
91°
64°
28
90°
61°
29
92°
68°
30
91°
68°
1
90°
66°
2
92°
66°
3
87°
67°
4
92°
67°
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 78° to 92°, with overnight lows between 58° and 68°. The average high for June is 86° with an average low of 63°. 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.
