Golden Bay Weather Forecast

    • 10
    • 19

    Mostly clear

    • 9
    • 20

    Mostly sunny

    • 11
    • 19

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 8
    • 17

    Mostly sunny

    • 12
    • 18

    Showers

    • 13
    • 18

    Showers

Today 20 Aug Mandurah

Mostly clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Clear.
Weather Situation
A weak ridge lies across southern WA. A trough will deepen down the west coast from late Friday, pushing inland later on Saturday ahead of a weak front reaching the lower west coast during Sunday. A new ridge will develop over the area later Sunday and Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Golden Bay Temperature Statistics View More

August Temperature

Mandurah (11km)

  • Lowest 11 August, 2026

    5.4 °C

  • Average August

    14.4 °C

  • Highest 16 August, 2026

    22.3 °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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