S
M
T
W
T
F
S
26
52°
39°
27
52°
34°
28
51°
39°
29
51°
39°
30
54°
36°
31
52°
36°
1
51°
35°
2
51°
35°
3
52°
36°
4
52°
35°
5
53°
35°
6
52°
34°
7
52°
39°
8
54°
36°
9
53°
38°
10
52°
40°
11
55°
36°
12
54°
36°
13
53°
37°
14
53°
36°
15
54°
37°
16
53°
41°
17
54°
37°
18
54°
37°
19
53°
38°
20
53°
36°
21
54°
36°
22
53°
38°
23
54°
37°
24
55°
38°
25
54°
37°
26
55°
38°
27
54°
37°
28
54°
37°
29
55°
36°
30
55°
38°
31
58°
37°
1
54°
36°
2
55°
38°
3
55°
38°
4
57°
40°
5
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Perth
Perth's August 2026 forecast shows daily high temperatures ranging from 51° to 59°, with overnight lows between 34° and 42°. The average high for August is 54° with an average low of 37°. 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 Perth. See also: September | October | November.
