S
M
T
W
T
F
S
26
88°
60°
27
88°
66°
28
85°
65°
29
90°
60°
30
91°
65°
31
96°
66°
1
84°
58°
2
72°
56°
3
77°
54°
4
88°
61°
5
91°
62°
6
97°
60°
7
96°
70°
8
89°
72°
9
89°
67°
10
91°
64°
11
88°
63°
12
89°
66°
13
86°
55°
14
86°
62°
15
82°
57°
16
91°
64°
17
94°
62°
18
95°
70°
19
92°
67°
20
96°
63°
21
99°
68°
22
97°
71°
23
82°
63°
24
89°
56°
25
95°
65°
26
95°
68°
27
82°
62°
28
84°
58°
29
68°
56°
30
77°
50°
31
83°
51°
1
84°
56°
2
77°
58°
3
71°
52°
4
70°
48°
5
73°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chelan
Chelan's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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. See also: September | October | November.
