Blue Bay Weather Forecast
- 10
- 17
Clear
- 9
- 18
Partly cloudy
- 12
- 18
Showers developing
- 12
- 17
Shower or two
- 10
- 19
Cloud clearing
- 11
- 19
Mostly sunny
- 11
- 18
Shower or two
Today 3 Jul Mandurah
Clear. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Easterly about 10 knots increasing to 10 to 15 knots in the late evening.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge lies along the south coast and will move into the Bight by Friday evening. A cold front will cross the southwest of the state during Sunday afternoon and evening, rapidly weakening as it moves further inland on Monday.
Blue Bay Temperature Statistics View More
July Temperature
Mandurah (1km)
Lowest 2 July, 2026
10.7 °CAverage July
13.9 °CHighest 1 July, 2026
18.2 °C
Climate (2021–2026)
Mandurah (1km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
19.1 °CAverage High 2021–2026
23.8 °C