Dunsborough Weather Forecast

    • 9
    • 20

    Cloudy

    • 11
    • 20

    Partly cloudy

    • 12
    • 21

    Possible shower

    • 12
    • 20

    Shower or two

    • 10
    • 18

    Shower or two

    • 9
    • 18

    Shower or two

    • 10
    • 19

    Shower or two

Today 21 Sep South West

Partly cloudy. The chance of fog early this morning. Light winds. Daytime maximum temperatures around 20.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
South to southwesterly below 10 knots becoming west to northwesterly in the early morning then becoming south to southwesterly in the middle of the day.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1.5 to 2.5 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A ridge builds over the southwest with a west coast trough today. The trough moves eastward on Tuesday as a cold front passes to the south of the State tonight and Tuesday. The next cold front reaches the southwest corner on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dunsborough Temperature Statistics View More

September Temperature

Cape Naturaliste (12km)

  • Lowest 7 September, 2026

    8.8 °C

  • Average September

    15.3 °C

  • Highest 16 September, 2026

    25.4 °C

Climate (2021–2026)

Cape Naturaliste (12km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    17.2 °C

  • Average High 2021–2026

    22.7 °C
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