S
M
T
W
T
F
S
26
80°
56°
27
80°
56°
28
82°
55°
29
80°
52°
30
81°
55°
31
82°
57°
1
81°
56°
2
81°
56°
3
80°
52°
4
73°
51°
5
73°
51°
6
74°
48°
7
77°
54°
8
81°
55°
9
81°
53°
10
80°
53°
11
80°
50°
12
76°
49°
13
76°
49°
14
71°
47°
15
72°
49°
16
75°
56°
17
80°
57°
18
82°
56°
19
82°
55°
20
81°
47°
21
76°
55°
22
81°
55°
23
82°
49°
24
71°
47°
25
75°
47°
26
72°
49°
27
75°
46°
28
73°
49°
29
74°
46°
30
69°
46°
31
73°
50°
1
77°
54°
2
80°
54°
3
79°
53°
4
68°
44°
5
70°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shadow Lake
Shadow Lake's August 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 44° and 57°. The average high for August is 77° 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 Shadow Lake. See also: September | October | November.