Castle Point Weather Forecast

    • 17
    • 23

    Shower or two

    • 15
    • 22

    Showers. Becoming windy

    • 15
    • 22

    Possible shower

    • 12
    • 22

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 14
    • 26

    Mostly sunny

    • 16
    • 26

    Partly cloudy

Today 29 Mar South West

Cloudy. High chance of showers, becoming less likely in the early afternoon. Winds westerly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures in the low 20s.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Westerly 15 to 20 knots turning southwesterly 10 to 15 knots during the morning and early afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A low pressure system is off the south coast with a high pressure ridge over the far east of the state. A cold front will then pass southern WA later Sunday into Monday, with a ridge building over the Central West in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Point Temperature Statistics View More

March Temperature

Cape Naturaliste (9km)

  • Lowest 12 March, 2026

    12.2 °C

  • Average March

    20 °C

  • Highest 19 March, 2026

    32.7 °C

Climate (2021–Present)

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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