Yanchep Beach Weather Forecast
- 15
- 19
Possible shower
- 11
- 18
Shower or two
- 8
- 17
Shower or two
- 9
- 18
Shower or two
- 7
- 17
Mostly sunny
- 7
- 20
Sunny
- 8
- 21
Sunny
Today 18 Jul Perth
Cloudy. Medium chance of showers, becoming less likely in the afternoon. Winds westerly 20 to 30 km/h becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to about 10 knots in the evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- Westerly 2.5 to 3 metres, increasing to 3 to 4 metres around midday.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A cold front over the southwest will move eastwards on Saturday. A weak ridge will begin to develop north of the local waters over the central west cost on Sunday, strengthening over southern WA on Tuesday.
Yanchep Beach Temperature Statistics View More
July Temperature
Gingin Airport (24km)
Lowest 11 July, 2026
0.1 °CAverage July
12.7 °CHighest 15 July, 2026
25.4 °C
Climate (2021–2026)
Gingin Airport (24km)
Average Low 2021–2026
11.4 °CAverage 2021–2026
18.2 °CAverage High 2021–2026
26.2 °C