S
M
T
W
T
F
S
28
67°
50°
29
67°
54°
30
66°
50°
1
66°
51°
2
63°
51°
3
63°
53°
4
64°
53°
5
65°
49°
6
63°
52°
7
63°
49°
8
64°
49°
9
65°
50°
10
64°
48°
11
63°
47°
12
64°
49°
13
63°
53°
14
64°
54°
15
66°
54°
16
65°
53°
17
67°
53°
18
63°
52°
19
63°
52°
20
64°
49°
21
63°
47°
22
63°
47°
23
64°
49°
24
63°
47°
25
64°
48°
26
64°
47°
27
63°
48°
28
64°
47°
29
64°
47°
30
Hist. Avg.
64°
47°
31
Hist. Avg.
64°
47°
1
Hist. Avg.
65°
46°
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 63° to 67°, with overnight lows between 47° and 54°. The average high for July is 64° 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 July weather will actually feel in Perth. See also: August | September | October.