Castle Point Weather Forecast

    • 18
    • 29

    Sunny

    • 17
    • 31

    Sunny

    • 16
    • 31

    Mostly sunny

    • 17
    • 28

    Mostly sunny

    • 16
    • 26

    Mostly sunny

    • 16
    • 25

    Cloudy

    • 13
    • 25

    Mostly sunny

Today 18 Mar South West

Sunny. Winds east to northeasterly 15 to 20 km/h turning north to northwesterly during the morning then becoming light in the early afternoon. Daytime maximum temperatures in the low to mid 30s.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Northeast to southeasterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming southerly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
A ridge extends over eastern parts of the State, with a stagnant west coast trough pushing offshore today and lingering about the west coast through to the weekend. A weak cold front will pass the far southwest corner early Friday.
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

    19.8 °C

  • Highest 7 March, 2026

    32.3 °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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