Golden Bay Weather Forecast

    • 16
    • 20

    Morning shower or two

    • 13
    • 20

    Cloud clearing

    • 13
    • 20

    Mostly sunny

    • 13
    • 20

    Partly cloudy

    • 13
    • 20

    Shower or two

    • 14
    • 19

    Shower or two

    • 12
    • 18

    Shower or two

Today 20 Sep Mandurah

Partly cloudy. Medium chance of showers early this morning. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots turning south to southeasterly below 10 knots during the morning then becoming south to southwesterly in the middle of the day.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon.
Weather
Cloudy. 50% chance of showers this morning.
Weather Situation
A new ridge will develop today before weakening tomorrow. A second ridge is expected to begin strengthening again on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Golden Bay Temperature Statistics View More

September Temperature

Mandurah (11km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    16.9 °C

  • Highest 16 September, 2026

    26.9 °C

Climate (2021–2026)

Mandurah (11km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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