S
M
T
W
T
F
S
26
85°
67°
27
89°
68°
28
87°
67°
29
83°
64°
30
84°
63°
31
83°
66°
1
85°
62°
2
84°
62°
3
83°
63°
4
82°
63°
5
82°
63°
6
82°
62°
7
Hist. Avg.
85°
63°
8
Hist. Avg.
85°
63°
9
Hist. Avg.
85°
63°
10
Hist. Avg.
85°
63°
11
Hist. Avg.
85°
63°
12
Hist. Avg.
85°
63°
13
Hist. Avg.
84°
63°
14
Hist. Avg.
84°
63°
15
Hist. Avg.
84°
62°
16
Hist. Avg.
84°
62°
17
Hist. Avg.
84°
62°
18
Hist. Avg.
84°
62°
19
Hist. Avg.
84°
62°
20
Hist. Avg.
84°
62°
21
Hist. Avg.
84°
62°
22
Hist. Avg.
84°
62°
23
Hist. Avg.
83°
61°
24
Hist. Avg.
83°
61°
25
Hist. Avg.
83°
61°
26
Hist. Avg.
83°
61°
27
Hist. Avg.
83°
61°
28
Hist. Avg.
82°
60°
29
Hist. Avg.
82°
60°
30
Hist. Avg.
82°
60°
31
Hist. Avg.
82°
60°
1
Hist. Avg.
82°
59°
2
Hist. Avg.
81°
59°
3
Hist. Avg.
81°
59°
4
Hist. Avg.
81°
58°
5
Hist. Avg.
80°
58°
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 82° to 89°, with overnight lows between 62° and 68°. The average high for August is 84° with an average low of 64°. 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.
