Koombana Beach Weather Forecast

    • 7
    • 18

    Partly cloudy

    • 5
    • 19

    Sunny

    • 6
    • 21

    Partly cloudy

    • 9
    • 21

    Sunny

    • 10
    • 20

    Showers increasing

    • 5
    • 16

    Partly cloudy

    • 7
    • 17

    Possible shower

Today 27 Aug Bunbury

Partly cloudy. Slight chance of a shower early this morning. Winds southerly 15 to 25 km/h tending southeasterly 15 to 20 km/h in the evening.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
South to southeasterly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A slow-moving cold front over southwest WA will weaken and combine with a trough over the Goldfields today, as a ridge begins to extend south of the state. The ridge will slowly move east on Friday and Saturday with a weak west coast trough developing from Saturday afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Koombana Beach Temperature Statistics View More

August Temperature

Bunbury (4km)

  • Lowest 11 August, 2026

    0.8 °C

  • Average August

    12.5 °C

  • Highest 16 August, 2026

    22.1 °C

Climate (2021–2026)

Bunbury (4km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.7 °C
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