S
M
T
W
T
F
S
26
61°
44°
27
60°
43°
28
61°
42°
29
62°
42°
30
61°
43°
31
59°
42°
1
61°
45°
2
63°
42°
3
65°
46°
4
66°
43°
5
Hist. Avg.
64°
43°
6
Hist. Avg.
63°
43°
7
Hist. Avg.
63°
42°
8
Hist. Avg.
63°
42°
9
Hist. Avg.
63°
42°
10
Hist. Avg.
62°
42°
11
Hist. Avg.
62°
42°
12
Hist. Avg.
62°
42°
13
Hist. Avg.
62°
41°
14
Hist. Avg.
62°
41°
15
Hist. Avg.
61°
41°
16
Hist. Avg.
61°
41°
17
Hist. Avg.
61°
40°
18
Hist. Avg.
61°
40°
19
Hist. Avg.
60°
40°
20
Hist. Avg.
60°
40°
21
Hist. Avg.
60°
39°
22
Hist. Avg.
60°
39°
23
Hist. Avg.
59°
39°
24
Hist. Avg.
59°
39°
25
Hist. Avg.
59°
38°
26
Hist. Avg.
58°
38°
27
Hist. Avg.
58°
38°
28
Hist. Avg.
58°
37°
29
Hist. Avg.
57°
37°
30
Hist. Avg.
57°
37°
31
Hist. Avg.
57°
36°
1
Hist. Avg.
56°
36°
2
Hist. Avg.
56°
36°
3
Hist. Avg.
56°
36°
4
Hist. Avg.
55°
35°
5
Hist. Avg.
55°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Summit
Summit's August 2026 forecast shows daily high temperatures ranging from 59° to 66°, with overnight lows between 42° and 46°. The average high for August is 62° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Summit. See also: September | October | November.
