Golden Bay Weather Forecast

    • 17
    • 29

    Clear

    • 19
    • 33

    Sunny

    • 21
    • 37

    Sunny

    • 27
    • 38

    Mostly sunny

    • 22
    • 27

    Partly cloudy

    • 16
    • 30

    Cloud clearing

    • 17
    • 30

    Sunny

Today 22 Dec Mandurah

Clear. Winds southerly 20 to 25 km/h tending southeasterly 25 to 30 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots tending southeasterly in the late evening.
Seas
1.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A ridge persists over local waters. A west coast trough is deepening and will move offshore on Wednesday before moving inland on Friday ahead of a weak cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Golden Bay Temperature Statistics View More

December Temperature

Mandurah (11km)

  • Lowest 21 December, 2025

    14 °C

  • Average December

    23 °C

  • Highest 14 December, 2025

    40.1 °C

Climate (2020–Present)

Mandurah (11km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    23.8 °C
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