Dunsborough Beach Weather Forecast

    • 15
    • 24

    Mostly clear

    • 12
    • 25

    Mostly sunny

    • 15
    • 27

    Partly cloudy

    • 14
    • 31

    Sunny

    • 17
    • 34

    Sunny

    • 22
    • 35

    Mostly sunny

    • 20
    • 27

    Partly cloudy

Today 20 Dec South West

Mostly clear. Winds southeasterly 15 to 25 km/h becoming light in the late evening.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Southerly 15 to 20 knots, reaching up to 30 knots offshore in the evening. Winds turning southeasterly in the evening.
Seas
2 metres.
1st Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Clear.
Weather Situation
A ridge will develop across much of southern WA on Sunday, while a trough lies across the Interior. A weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dunsborough Beach Temperature Statistics View More

December Temperature

Cape Naturaliste (13km)

  • Lowest 6 December, 2025

    12.8 °C

  • Average December

    20.1 °C

  • Highest 14 December, 2025

    36.4 °C

Climate (2020–Present)

Cape Naturaliste (13km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    17.3 °C

  • Average High 2020–2025

    22.7 °C
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