S
M
T
W
T
F
S
26
75°
56°
27
81°
59°
28
73°
54°
29
76°
55°
30
73°
54°
31
82°
52°
1
69°
61°
2
61°
53°
3
66°
44°
4
84°
45°
5
78°
47°
6
93°
51°
7
83°
51°
8
78°
68°
9
79°
64°
10
77°
59°
11
80°
54°
12
72°
48°
13
81°
53°
14
76°
45°
15
61°
51°
16
86°
57°
17
90°
50°
18
83°
50°
19
76°
48°
20
74°
55°
21
83°
54°
22
64°
53°
23
67°
54°
24
76°
41°
25
90°
42°
26
83°
50°
27
75°
56°
28
68°
47°
29
59°
52°
30
60°
51°
31
78°
38°
1
76°
42°
2
68°
54°
3
67°
35°
4
66°
43°
5
54°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cle Elum
Cle Elum'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 Cle Elum. See also: September | October | November.