S
M
T
W
T
F
S
28
58°
39°
29
57°
40°
30
65°
42°
1
66°
44°
2
66°
41°
3
67°
47°
4
63°
43°
5
64°
45°
6
67°
44°
7
62°
42°
8
61°
42°
9
60°
41°
10
61°
42°
11
61°
42°
12
60°
43°
13
61°
42°
14
62°
45°
15
61°
47°
16
61°
45°
17
60°
46°
18
61°
45°
19
60°
44°
20
60°
45°
21
61°
46°
22
60°
46°
23
60°
45°
24
59°
47°
25
59°
42°
26
60°
41°
27
59°
42°
28
59°
47°
29
60°
46°
30
59°
44°
31
58°
42°
1
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Summit
Summit's July 2026 forecast shows daily high temperatures ranging from 57° to 67°, with overnight lows between 39° and 47°. The average high for July is 61° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Summit. See also: August | September | October.