S
M
T
W
T
F
S
26
86°
66°
27
77°
63°
28
84°
57°
29
90°
61°
30
82°
59°
31
81°
55°
1
81°
59°
2
90°
63°
3
72°
52°
4
70°
45°
5
77°
45°
6
82°
52°
7
72°
48°
8
77°
46°
9
72°
46°
10
72°
50°
11
77°
48°
12
77°
50°
13
77°
50°
14
68°
57°
15
66°
55°
16
73°
50°
17
75°
48°
18
72°
45°
19
77°
46°
20
73°
54°
21
79°
52°
22
75°
46°
23
79°
43°
24
81°
59°
25
73°
59°
26
75°
50°
27
76°
45°
28
75°
48°
29
80°
62°
30
77°
54°
31
77°
51°
1
78°
53°
2
79°
58°
3
78°
54°
4
80°
58°
5
79°
52°
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 77° to 80°, with overnight lows between 51° and 62°. The average high for August is 79° 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 Perth. See also: September | October | November.
