Castle Point Weather Forecast

    • 12
    • 21

    Possible shower

    • 13
    • 20

    Showers easing. Wind easing

    • 13
    • 20

    Shower or two

    • 11
    • 21

    Mostly sunny

    • 11
    • 24

    Sunny

    • 15
    • 25

    Sunny

    • 16
    • 23

    Shower or two

Today 11 Sep South West

Partly cloudy. Slight chance of a shower in the west in the evening. Near zero chance of rain elsewhere. Winds northeasterly 15 to 20 km/h turning north to northwesterly 15 to 25 km/h in the late morning. Daytime maximum temperatures in the low 20s.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
North to northeasterly 15 to 20 knots turning northwesterly during the afternoon and evening. Winds reaching up to 25 knots offshore in the late evening.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
East to northeasterly winds continue with a high pressure system located in the Bight. Winds will turn north to northwesterly today as the high moves east ahead of a weak cold front moving over the southwest corner on Saturday. A second weak cold front will brush the southern coastal waters later Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Point Temperature Statistics View More

September Temperature

Cape Naturaliste (9km)

  • Lowest 7 September, 2026

    8.8 °C

  • Average September

    14.2 °C

  • Highest 8 September, 2026

    20.5 °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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