S
M
T
W
T
F
S
31
80°
60°
1
80°
59°
2
81°
55°
3
82°
56°
4
84°
58°
5
83°
62°
6
85°
65°
7
82°
65°
8
82°
67°
9
81°
65°
10
83°
64°
11
84°
65°
12
83°
64°
13
82°
62°
14
80°
60°
15
80°
61°
16
78°
59°
17
76°
60°
18
78°
61°
19
78°
60°
20
77°
64°
21
79°
64°
22
80°
63°
23
79°
63°
24
80°
62°
25
81°
64°
26
82°
65°
27
83°
64°
28
80°
65°
29
80°
60°
30
80°
59°
1
79°
59°
2
80°
61°
3
79°
66°
4
81°
61°
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 76° to 85°, with overnight lows between 55° and 67°. The average high for June is 81° with an average low of 62°. 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.