S
M
T
W
T
F
S
26
89°
61°
27
89°
55°
28
89°
56°
29
88°
55°
30
87°
57°
31
89°
56°
1
88°
57°
2
89°
58°
3
89°
57°
4
88°
57°
5
90°
55°
6
88°
54°
7
87°
54°
8
87°
53°
9
86°
55°
10
88°
57°
11
88°
55°
12
79°
54°
13
84°
54°
14
85°
53°
15
79°
53°
16
77°
54°
17
80°
53°
18
79°
52°
19
83°
54°
20
86°
51°
21
83°
48°
22
76°
48°
23
77°
54°
24
78°
49°
25
78°
47°
26
77°
46°
27
75°
44°
28
75°
47°
29
76°
51°
30
78°
53°
31
78°
46°
1
74°
46°
2
75°
51°
3
77°
45°
4
75°
41°
5
72°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Summit Lake
Summit Lake's August 2026 forecast shows daily high temperatures ranging from 72° to 90°, with overnight lows between 41° and 61°. The average high for August is 82° with an average low of 52°. 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 Lake. See also: September | October | November.
