S
M
T
W
T
F
S
31
96°
62°
1
99°
67°
2
99°
67°
3
102°
68°
4
102°
72°
5
102°
70°
6
101°
71°
7
102°
70°
8
103°
75°
9
106°
73°
10
104°
75°
11
103°
75°
12
105°
80°
13
106°
79°
14
106°
78°
15
105°
77°
16
105°
77°
17
103°
76°
18
101°
77°
19
100°
78°
20
113°
76°
21
103°
75°
22
104°
76°
23
105°
77°
24
105°
77°
25
104°
78°
26
104°
78°
27
103°
77°
28
104°
78°
29
103°
78°
30
103°
77°
1
104°
79°
2
104°
79°
3
103°
78°
4
102°
78°
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 100° to 113°, with overnight lows between 70° and 80°. The average high for June is 104° with an average low of 77°. 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.
