S
M
T
W
T
F
S
26
89°
62°
27
90°
67°
28
89°
64°
29
90°
64°
30
N/A
31
98°
60°
1
88°
51°
2
79°
50°
3
85°
55°
4
91°
56°
5
94°
55°
6
93°
55°
7
97°
54°
8
91°
57°
9
93°
54°
10
91°
57°
11
91°
57°
12
92°
56°
13
86°
50°
14
90°
54°
15
89°
52°
16
86°
48°
17
81°
47°
18
88°
54°
19
89°
54°
20
89°
55°
21
88°
54°
22
88°
54°
23
87°
53°
24
88°
53°
25
87°
52°
26
88°
53°
27
87°
52°
28
86°
50°
29
83°
51°
30
82°
51°
31
85°
50°
1
86°
52°
2
86°
51°
3
85°
50°
4
85°
50°
5
84°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Methow Valley
Methow Valley's August 2026 forecast shows daily high temperatures ranging from 79° to 98°, with overnight lows between 47° and 60°. The average high for August is 88° 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 Methow Valley. See also: September | October | November.
