S
M
T
W
T
F
S
26
74°
47°
27
75°
46°
28
75°
47°
29
74°
46°
30
72°
45°
31
67°
41°
1
67°
41°
2
68°
43°
3
67°
42°
4
70°
41°
5
68°
42°
6
71°
43°
7
71°
46°
8
69°
46°
9
69°
45°
10
70°
44°
11
68°
42°
12
68°
41°
13
68°
42°
14
67°
42°
15
66°
39°
16
65°
40°
17
66°
44°
18
68°
47°
19
68°
47°
20
69°
45°
21
70°
46°
22
71°
47°
23
69°
46°
24
70°
45°
25
69°
44°
26
68°
45°
27
65°
42°
28
64°
38°
29
63°
37°
30
64°
37°
31
65°
38°
1
69°
40°
2
69°
39°
3
68°
43°
4
69°
43°
5
69°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brian Head
Brian Head's August 2026 forecast shows daily high temperatures ranging from 63° to 75°, with overnight lows between 37° and 47°. The average high for August is 69° with an average low of 43°. 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 Brian Head. See also: September | October | November.