S
M
T
W
T
F
S
26
90°
61°
27
90°
57°
28
87°
54°
29
81°
57°
30
81°
57°
31
80°
53°
1
80°
55°
2
81°
54°
3
81°
55°
4
83°
61°
5
90°
63°
6
91°
61°
7
88°
62°
8
91°
54°
9
80°
54°
10
80°
55°
11
82°
56°
12
84°
55°
13
82°
54°
14
84°
55°
15
89°
54°
16
90°
59°
17
90°
60°
18
89°
54°
19
78°
58°
20
77°
50°
21
77°
50°
22
78°
49°
23
77°
50°
24
79°
49°
25
86°
55°
26
86°
57°
27
83°
49°
28
75°
49°
29
74°
46°
30
75°
48°
31
78°
51°
1
77°
50°
2
74°
49°
3
75°
48°
4
73°
46°
5
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chelan Falls
Chelan Falls's August 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 46° and 63°. The average high for August is 82° with an average low of 54°. 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 Chelan Falls. See also: September | October | November.
