Castle Bay Weather Forecast

    • 14
    • 23

    Partly cloudy

    • 11
    • 24

    Partly cloudy

    • 13
    • 27

    Sunny

    • 15
    • 28

    Sunny

    • 16
    • 26

    Mostly sunny

    • 14
    • 27

    Mostly sunny

    • 15
    • 27

    Mostly sunny

Today 9 Apr South West

Cloudy. Light winds becoming southeasterly 15 to 20 km/h in the late evening.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Southerly 15 to 20 knots tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Weather
Partly cloudy.
Weather Situation
A cold front passes south of the State tonight, while a ridge extends over southern parts of the State. A trough will develop near the west coast from Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Bay Temperature Statistics View More

April Temperature

Cape Naturaliste (8km)

  • Lowest 7 April, 2026

    11 °C

  • Average April

    17.5 °C

  • Highest 3 April, 2026

    26.8 °C

Climate (2021–Present)

Cape Naturaliste (8km)

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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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