Preston Beach Weather Forecast
- 12
- 19
Shower
- 8
- 17
Shower
- 10
- 19
Shower
- 8
- 19
Shower
- 7
- 20
Partly cloudy
- 6
- 20
Shower
- 8
- 17
Shower
Today 17 Aug Lower West
Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm near the coast in the morning. Winds north to northeasterly 15 to 25 km/h shifting westerly 25 to 40 km/h in the middle of the day then decreasing to 20 to 30 km/h in the evening. Overnight temperatures falling to around 11 with daytime temperatures reaching between 18 and 21.
Preston Beach Temperature Statistics View More
August Temperature
Mandurah (40km)
Lowest 11 August, 2026
5.4 °CAverage August
14 °CHighest 14 August, 2026
20.5 °C
Climate (2021–2026)
Mandurah (40km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
19.1 °CAverage High 2021–2026
23.8 °C