Castle Point Weather Forecast

    • 18
    • 35

    Sunny

    • 20
    • 28

    Partly cloudy

    • 17
    • 24

    Partly cloudy

    • 14
    • 24

    Partly cloudy

    • 16
    • 24

    Shower or two

    • 15
    • 23

    Partly cloudy

    • 13
    • 26

    Partly cloudy

Today 21 Jan South West

Mostly sunny. The chance of smoke haze in the afternoon and early evening. Winds east to northeasterly 20 to 30 km/h. Daytime maximum temperatures in the mid to high 30s.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Easterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds becoming variable about 10 knots in the middle of the day.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Sunny.
Weather Situation
A deep trough is located offshore, while a firm ridge envelops southern WA. The ridge starts to shift east later today, allowing the trough to move inland across the west coast on Thursday ahead of a weak cold front brushing the south coast on Friday. A weak ridge will form in the southwest before another cold front approaches over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Point Temperature Statistics View More

January Temperature

Cape Naturaliste (9km)

  • Lowest 18 January, 2026

    11.3 °C

  • Average January

    20.6 °C

  • Highest 3 January, 2026

    32.6 °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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