Dunsborough Boat Ramp Weather Forecast

    • 21
    • 30

    Mostly sunny

    • 17
    • 27

    Partly cloudy

    • 17
    • 26

    Partly cloudy

    • 15
    • 28

    Cloud clearing

    • 15
    • 29

    Sunny

    • 15
    • 24

    Partly cloudy

    • 13
    • 26

    Partly cloudy

Today 15 Dec South West

Mostly sunny. Slight chance of a shower in the east, near zero chance elsewhere. The chance of a thunderstorm this afternoon, possibly severe with damaging winds and heavy rain which may lead to flash flooding in the east. Winds northeasterly 15 to 25 km/h turning northwesterly 25 to 40 km/h in the middle of the day then decreasing to 15 to 20 km/h in the evening. Daytime maximum temperatures 33 to 38.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
North to northeasterly 10 to 15 knots turning west to northwesterly below 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A trough is deepening offshore from the west coast associated with a low pressure system, as a high pressure system strengthens in the Bight. The high will move east throughout today, allowing the trough to return to the west coast. The trough will move inland ahead of a cold front brushing the south coast by Tuesday. A new ridge will build across the southwest coast from Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dunsborough Boat Ramp Temperature Statistics View More

December Temperature

Cape Naturaliste (10km)

  • Lowest 6 December, 2025

    12.8 °C

  • Average December

    19.8 °C

  • Highest 13 December, 2025

    33 °C

Climate (2020–Present)

Cape Naturaliste (10km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    22.7 °C
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