S
M
T
W
T
F
S
26
93°
55°
27
92°
56°
28
94°
56°
29
90°
55°
30
86°
56°
31
85°
58°
1
87°
58°
2
90°
59°
3
91°
59°
4
91°
58°
5
90°
59°
6
91°
59°
7
91°
58°
8
90°
59°
9
87°
59°
10
85°
58°
11
81°
58°
12
82°
52°
13
83°
53°
14
83°
57°
15
82°
53°
16
81°
50°
17
81°
50°
18
82°
55°
19
84°
56°
20
87°
55°
21
89°
56°
22
89°
56°
23
87°
55°
24
87°
56°
25
83°
54°
26
83°
55°
27
85°
55°
28
88°
53°
29
89°
54°
30
89°
55°
31
86°
48°
1
81°
45°
2
80°
47°
3
86°
52°
4
87°
47°
5
82°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Topaz Lake
Topaz Lake's August 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 45° and 59°. The average high for August is 86° with an average low of 55°. 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 Topaz Lake. See also: September | October | November.