S
M
T
W
T
F
S
26
77°
51°
27
77°
52°
28
78°
53°
29
79°
53°
30
76°
50°
31
78°
51°
1
81°
53°
2
82°
53°
3
81°
52°
4
78°
53°
5
76°
52°
6
79°
53°
7
80°
53°
8
81°
52°
9
78°
52°
10
80°
44°
11
74°
48°
12
76°
46°
13
80°
48°
14
82°
49°
15
81°
51°
16
82°
52°
17
82°
53°
18
83°
54°
19
83°
52°
20
81°
52°
21
81°
51°
22
80°
51°
23
80°
50°
24
79°
50°
25
80°
51°
26
80°
51°
27
79°
49°
28
72°
50°
29
76°
48°
30
72°
44°
31
71°
43°
1
74°
44°
2
72°
41°
3
71°
40°
4
69°
41°
5
69°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Diamond Peak
Diamond Peak's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 38° and 54°. The average high for August is 78° with an average low of 49°. 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 Diamond Peak. See also: September | October | November.