Casuarina Boat Harbour Weather Forecast

    • 11
    • 17

    Shower or two

    • 9
    • 16

    Showers

    • 5
    • 17

    Shower or two

    • 7
    • 16

    Shower or two

    • 6
    • 17

    Cloudy

    • 5
    • 17

    Sunny

    • 7
    • 18

    Possible shower

Today 18 Jul Bunbury

Partly cloudy. Very high chance of showers, becoming less likely this morning. Winds northwesterly 30 to 35 km/h tending westerly 30 to 45 km/h in the early morning then becoming light in the late evening.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Westerly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to 10 to 15 knots in the evening.
Seas
2 to 3 metres, decreasing to 1 to 2 metres around midday.
1st Swell
Westerly 2 to 3 metres, increasing to 3 to 5 metres during the morning.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A cold front over the southwest will move eastwards on Saturday. A weak ridge will push over the central west coast on Sunday before a weak cold front will cross the far southwest corner later Monday. A ridge will then establish over southern parts from Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Casuarina Boat Harbour Temperature Statistics View More

July Temperature

Bunbury (5km)

  • Lowest 14 July, 2026

    3.5 °C

  • Average July

    12.9 °C

  • Highest 15 July, 2026

    21.7 °C

Climate (2021–2026)

Bunbury (5km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.6 °C
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