Dunsborough Weather Forecast

    • 10
    • 18

    Shower or two

    • 12
    • 19

    Showers easing

    • 11
    • 19

    Possible shower

    • 9
    • 20

    Mostly sunny

    • 9
    • 21

    Possible shower

    • 11
    • 18

    Showers easing

    • 9
    • 18

    Shower or two

Today 18 Aug South West

Cloudy. The chance of frost in the north in the early morning. Medium chance of showers. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day. Daytime maximum temperatures around 16.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Northwest to southwesterly 10 to 15 knots becoming northwesterly 15 to 20 knots in the early afternoon.
Seas
Around 1 metre.
1st Swell
Westerly 3 to 5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A cold front will continue moving eastward across the south coast this morning, contracting into the Bight later today. A weak ridge is developing over the west coast in the wake of this front. Another weak cold front will cross the southwest part of the State on Wednesday before a ridge settles over the south coast during Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dunsborough Temperature Statistics View More

August Temperature

Cape Naturaliste (12km)

  • Lowest 2 August, 2026

    6 °C

  • Average August

    13.4 °C

  • Highest 3 August, 2026

    21.6 °C

Climate (2021–2026)

Cape Naturaliste (12km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    17.2 °C

  • Average High 2021–2026

    22.7 °C
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