S
M
T
W
T
F
S
26
81°
56°
27
83°
56°
28
84°
51°
29
87°
54°
30
91°
55°
31
87°
51°
1
85°
53°
2
84°
50°
3
86°
53°
4
87°
54°
5
86°
52°
6
91°
57°
7
90°
56°
8
89°
53°
9
85°
54°
10
83°
53°
11
88°
55°
12
90°
56°
13
90°
57°
14
89°
56°
15
90°
56°
16
89°
55°
17
88°
50°
18
81°
48°
19
86°
52°
20
87°
53°
21
86°
50°
22
78°
49°
23
79°
50°
24
87°
54°
25
88°
54°
26
88°
53°
27
87°
53°
28
87°
52°
29
86°
52°
30
86°
51°
31
85°
52°
1
87°
53°
2
86°
52°
3
87°
53°
4
87°
52°
5
86°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tieton
Tieton's August 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 48° and 57°. The average high for August is 86° with an average low of 53°. 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 Tieton. See also: September | October | November.
