Blue Bay Weather Forecast
- 10
- 19
Possible shower
- 10
- 19
Sunny
- 10
- 19
Partly cloudy
- 11
- 18
Possible shower
- 8
- 17
Mostly sunny
- 9
- 18
Showers
- 12
- 18
Showers
Today 20 Aug Mandurah
Partly cloudy. Medium chance of showers during the morning and afternoon. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- West to southwesterly 2 to 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A weak ridge lies across southern WA. A weak trough will deepen down the west coast from late Friday, pushing inland later on Saturday ahead of another weak front which is slated to reach the lower west coast during Sunday.
Blue Bay Temperature Statistics View More
August Temperature
Mandurah (1km)
Lowest 11 August, 2026
5.4 °CAverage August
14.4 °CHighest 16 August, 2026
22.3 °C
Climate (2021–2026)
Mandurah (1km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
19.1 °CAverage High 2021–2026
23.8 °C