S
M
T
W
T
F
S
26
76°
53°
27
76°
59°
28
83°
59°
29
87°
64°
30
80°
61°
31
76°
57°
1
78°
55°
2
85°
62°
3
69°
53°
4
67°
51°
5
74°
56°
6
61°
55°
7
67°
54°
8
68°
51°
9
69°
53°
10
74°
50°
11
73°
50°
12
69°
51°
13
70°
50°
14
72°
46°
15
66°
50°
16
75°
51°
17
64°
50°
18
67°
46°
19
71°
43°
20
72°
47°
21
69°
56°
22
68°
49°
23
74°
48°
24
74°
58°
25
75°
53°
26
66°
47°
27
70°
45°
28
75°
46°
29
73°
52°
30
73°
54°
31
64°
40°
1
64°
39°
2
71°
44°
3
73°
51°
4
77°
55°
5
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ponask Lake
Ponask Lake's August 2026 forecast shows daily high temperatures ranging from 64° to 77°, with overnight lows between 39° and 58°. The average high for August is 71° with an average low of 49°. 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 Ponask Lake. See also: September | October | November.