Castle Point Weather Forecast

    • 13
    • 20

    Clear

    • 9
    • 20

    Cloudy

    • 11
    • 20

    Partly cloudy

    • 12
    • 21

    Possible shower

    • 11
    • 20

    Shower or two

    • 10
    • 18

    Shower or two

    • 9
    • 18

    Shower or two

Today 20 Sep South West

Mostly clear. Light winds.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
South to southwesterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Mostly clear.
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 Monday night and Tuesday. The next cold front reaches the southwest corner on Thursday.
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  • Temperature Forecast Bureau of Meteorology

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Castle Point Temperature Statistics View More

September Temperature

Cape Naturaliste (9km)

  • Lowest 7 September, 2026

    8.8 °C

  • Average September

    15.4 °C

  • Highest 16 September, 2026

    25.4 °C

Climate (2021–2026)

Cape Naturaliste (9km)

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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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