Castle Point Weather Forecast

    • 10
    • 18

    Partly cloudy

    • 6
    • 18

    Partly cloudy

    • 7
    • 19

    Sunny

    • 9
    • 20

    Cloud clearing

    • 9
    • 21

    Sunny

    • 13
    • 20

    Showers

    • 9
    • 18

    Showers

Today 12 Aug South West

Partly cloudy. Patches of frost and the chance of fog in the north this morning. Light winds. Daytime maximum temperatures around 18.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Southwesterly 10 to 15 knots becoming variable below 10 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 5 metres offshore.
Weather
Mostly sunny.
Weather Situation
A cold pool and vigorous southwesterly flow is gradually easing over the southeast of the state. A ridge is moving in over the west coast and will gradually extend across southern WA over the next few days, dominating the weather pattern until the end of the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Point Temperature Statistics View More

August Temperature

Cape Naturaliste (9km)

  • Lowest 2 August, 2026

    6 °C

  • Average August

    12.6 °C

  • Highest 3 August, 2026

    21.6 °C

Climate (2021–2026)

Cape Naturaliste (9km)

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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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