S
M
T
W
T
F
S
26
91°
51°
27
92°
50°
28
93°
51°
29
94°
49°
30
91°
50°
31
93°
51°
1
92°
49°
2
92°
48°
3
91°
50°
4
93°
52°
5
94°
49°
6
92°
49°
7
89°
48°
8
90°
46°
9
90°
46°
10
89°
47°
11
92°
42°
12
86°
48°
13
86°
48°
14
88°
47°
15
88°
40°
16
81°
43°
17
84°
48°
18
86°
49°
19
88°
48°
20
92°
48°
21
87°
43°
22
81°
41°
23
81°
39°
24
82°
40°
25
81°
38°
26
79°
38°
27
80°
36°
28
78°
37°
29
79°
40°
30
81°
43°
31
80°
37°
1
78°
36°
2
78°
38°
3
79°
39°
4
77°
35°
5
75°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in High Valley
High Valley's August 2026 forecast shows daily high temperatures ranging from 75° to 94°, with overnight lows between 35° and 52°. The average high for August is 86° with an average low of 44°. 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 High Valley. See also: September | October | November.