S
M
T
W
T
F
S
26
76°
57°
27
76°
56°
28
73°
57°
29
70°
56°
30
75°
57°
31
76°
57°
1
75°
56°
2
77°
57°
3
77°
57°
4
76°
58°
5
77°
58°
6
77°
57°
7
76°
57°
8
76°
56°
9
77°
57°
10
77°
57°
11
76°
56°
12
76°
57°
13
75°
56°
14
70°
53°
15
74°
52°
16
66°
50°
17
65°
47°
18
66°
44°
19
67°
48°
20
74°
54°
21
72°
53°
22
65°
50°
23
72°
46°
24
70°
49°
25
63°
48°
26
66°
42°
27
63°
42°
28
68°
45°
29
67°
46°
30
61°
46°
31
59°
48°
1
60°
46°
2
59°
42°
3
64°
49°
4
68°
48°
5
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chisel Lake
Chisel Lake's August 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 42° and 58°. 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 Chisel Lake. See also: September | October | November.