S
M
T
W
T
F
S
28
70°
52°
29
66°
50°
30
66°
55°
1
66°
54°
2
64°
52°
3
63°
52°
4
64°
57°
5
63°
57°
6
63°
59°
7
63°
59°
8
79°
59°
9
77°
54°
10
72°
55°
11
N/A
12
66°
49°
13
68°
51°
14
70°
52°
15
70°
52°
16
75°
53°
17
74°
51°
18
70°
52°
19
68°
50°
20
70°
52°
21
70°
52°
22
69°
53°
23
66°
51°
24
67°
52°
25
64°
52°
26
65°
51°
27
64°
50°
28
64°
51°
29
65°
54°
30
67°
51°
31
66°
55°
1
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Perth
Perth's July 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 49° and 55°. The average high for July is 68° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Perth. See also: August | September | October.