S
M
T
W
T
F
S
26
94°
68°
27
89°
63°
28
89°
66°
29
90°
69°
30
94°
68°
31
95°
69°
1
94°
70°
2
94°
71°
3
95°
68°
4
94°
69°
5
93°
69°
6
Hist. Avg.
93°
65°
7
Hist. Avg.
93°
64°
8
Hist. Avg.
93°
64°
9
Hist. Avg.
92°
64°
10
Hist. Avg.
92°
64°
11
Hist. Avg.
92°
64°
12
Hist. Avg.
92°
64°
13
Hist. Avg.
92°
64°
14
Hist. Avg.
92°
64°
15
Hist. Avg.
92°
64°
16
Hist. Avg.
92°
64°
17
Hist. Avg.
92°
64°
18
Hist. Avg.
92°
64°
19
Hist. Avg.
92°
64°
20
Hist. Avg.
92°
63°
21
Hist. Avg.
92°
63°
22
Hist. Avg.
92°
63°
23
Hist. Avg.
92°
63°
24
Hist. Avg.
91°
63°
25
Hist. Avg.
91°
62°
26
Hist. Avg.
91°
62°
27
Hist. Avg.
91°
62°
28
Hist. Avg.
91°
62°
29
Hist. Avg.
90°
61°
30
Hist. Avg.
90°
61°
31
Hist. Avg.
90°
61°
1
Hist. Avg.
90°
60°
2
Hist. Avg.
89°
60°
3
Hist. Avg.
89°
60°
4
Hist. Avg.
89°
60°
5
Hist. Avg.
88°
59°
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 89° to 95°, with overnight lows between 63° and 71°. The average high for August is 93° with an average low of 68°. 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.
