18.07
sat
sat
Day
61°F
E 16 mph
Precip.
13%
13%
Night
59°F
E 6 mph
Precip.
13%
13%
19.07
sun
sun
Day
63°F
S 3 mph
Precip.
10%
10%
Night
55°F
NW 4 mph
Precip.
8%
8%
20.07
mon
mon
Day
63°F
SE 2 mph
Precip.
2%
2%
Night
54°F
NW 4 mph
Precip.
20%
20%
21.07
tue
tue
Day
61°F
N 7 mph
Precip.
13%
13%
Night
52°F
W 6 mph
Precip.
6%
6%
22.07
wed
wed
Day
61°F
W 8 mph
Precip.
2%
2%
Night
52°F
W 8 mph
Precip.
5%
5%
23.07
thu
thu
Day
63°F
NW 4 mph
Precip.
2%
2%
Night
55°F
W 4 mph
Precip.
6%
6%
24.07
fri
fri
Day
63°F
SE 4 mph
Precip.
2%
2%
Night
55°F
W 2 mph
Precip.
11%
11%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 63.1°F. The highest and lowest sea temperatures during the month were 64.0°F and 62.4°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 62.2°F. The highest and lowest sea temperatures during the month were 62.8°F and 61.2°F.
Air temperature in Perth, °F
Precipitation total in Perth, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 19:03
July 18, saturday
2100
59°F
E
6 mph
6 mph
July 19, sunday
0000
59°F
E
6 mph
6 mph
0300
57°F
E
3 mph
3 mph
0600
57°F
NE
2 mph
2 mph
0900
57°F
W
5 mph
5 mph
1200
63°F
S
3 mph
3 mph
1500
63°F
E
7 mph
7 mph
1800
59°F
NE
4 mph
4 mph
