S
M
T
W
T
F
S
26
68°
50°
27
68°
50°
28
75°
59°
29
72°
52°
30
64°
46°
31
64°
43°
1
66°
48°
2
68°
50°
3
63°
54°
4
72°
57°
5
64°
54°
6
64°
52°
7
66°
54°
8
72°
54°
9
63°
48°
10
68°
48°
11
70°
50°
12
79°
55°
13
81°
55°
14
68°
57°
15
64°
54°
16
63°
54°
17
61°
46°
18
64°
55°
19
61°
54°
20
61°
48°
21
64°
46°
22
63°
45°
23
68°
46°
24
70°
43°
25
64°
45°
26
66°
57°
27
64°
57°
28
69°
52°
29
68°
54°
30
64°
55°
31
67°
50°
1
65°
44°
2
62°
49°
3
63°
51°
4
64°
48°
5
62°
46°
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 62° to 69°, with overnight lows between 44° and 55°. The average high for August is 65° with an average low of 50°. 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.
