Castle Bay Weather Forecast

    • 11
    • 17

    Cloudy

    • 11
    • 18

    Possible shower

    • 10
    • 18

    Cloudy

    • 9
    • 18

    Mostly sunny

    • 11
    • 21

    Mostly sunny

    • 15
    • 20

    Showers

    • 12
    • 19

    Showers

Today 11 Jul South West

Cloudy. The chance of morning fog. Slight chance of a shower near the south coast, near zero chance elsewhere. Light winds. Daytime maximum temperatures around 16.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
South to southeasterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Weather
Cloudy.
Weather Situation
A ridge slowly extend east over the coming days. A trough will extend down the west coast on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Bay Temperature Statistics View More

July Temperature

Cape Naturaliste (8km)

  • Lowest 3 July, 2026

    8.7 °C

  • Average July

    13.9 °C

  • Highest 7 July, 2026

    19.2 °C

Climate (2021–2026)

Cape Naturaliste (8km)

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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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