S
M
T
W
T
F
S
26
71°
59°
27
80°
58°
28
73°
56°
29
75°
48°
30
78°
48°
31
84°
49°
1
65°
56°
2
71°
51°
3
76°
45°
4
78°
49°
5
85°
49°
6
85°
52°
7
86°
53°
8
83°
54°
9
75°
52°
10
75°
50°
11
78°
50°
12
77°
52°
13
82°
54°
14
79°
53°
15
75°
55°
16
75°
54°
17
78°
54°
18
82°
55°
19
80°
52°
20
85°
51°
21
84°
53°
22
71°
57°
23
72°
57°
24
76°
55°
25
80°
55°
26
72°
56°
27
71°
55°
28
69°
54°
29
70°
49°
30
70°
51°
31
71°
50°
1
69°
51°
2
71°
51°
3
70°
52°
4
69°
50°
5
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sunday Lake
Sunday Lake's August 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 49° and 56°. The average high for August is 71° 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 Sunday Lake. See also: September | October | November.
