Dunn Bay Weather Forecast

    • 15
    • 21

    Windy. Partly cloudy

    • 13
    • 19

    Showers

    • 10
    • 18

    Shower or two

    • 11
    • 19

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 11
    • 20

    Partly cloudy

    • 13
    • 20

    Possible shower

Today 18 Oct South West

Partly cloudy. Slight chance of a shower, becoming less likely in the early afternoon. Winds westerly 25 to 40 km/h decreasing to 15 to 25 km/h in the late afternoon then becoming west to northwesterly and light in the evening. Daytime maximum temperatures around 19.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Westerly 15 to 25 knots, reaching up to 30 knots offshore during the morning. Winds decreasing to 10 to 15 knots in the late afternoon.
Seas
2 to 2.5 metres, decreasing to 1.5 metres during the afternoon, then decreasing below 1 metre by early evening.
1st Swell
Westerly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A west coast trough has pushed inland ahead of a weak cold front crossing the southwest coast early Saturday morning. Another cold front will move across the south of the state on Sunday, followed by a cut-off low. A ridge will develop from Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dunn Bay Temperature Statistics View More

October Temperature

Cape Naturaliste (12km)

  • Lowest 6 October, 2025

    7.9 °C

  • Average October

    15.4 °C

  • Highest 16 October, 2025

    23 °C

Climate (2020–Present)

Cape Naturaliste (12km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    22.7 °C
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