Harvey Estuary Weather Forecast
- 10
- 16
Showers
- 11
- 16
Showers
- 7
- 15
Partly cloudy
- 6
- 16
Partly cloudy
- 7
- 18
Mostly sunny
- 8
- 20
Mostly sunny
- 11
- 21
Shower or two
Today 6 Sep Lower West
Cloudy. Very high chance of showers, most likely in the morning and early afternoon. The chance of a thunderstorm in the morning and early afternoon, possibly severe with damaging winds. Winds westerly 20 to 30 km/h turning southwesterly 25 to 40 km/h early in the morning then tending west to southwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to around 9 with daytime temperatures reaching between 14 and 17.
Harvey Estuary Temperature Statistics View More
September Temperature
Mandurah (23km)
Lowest 1 September, 2025
8.2 °CAverage September
15 °CHighest 3 September, 2025
20.1 °C
Climate (2020–Present)
Mandurah (23km)
Average Low 2020–2025
15.1 °CAverage 2020–2025
19.2 °CAverage High 2020–2025
23.8 °C