Margaret River Mouth Weather Forecast

    • 11
    • 17

    Rain

    • 8
    • 17

    Shower or two

    • 6
    • 18

    Partly cloudy

    • 6
    • 20

    Partly cloudy

    • 9
    • 20

    Partly cloudy

    • 12
    • 19

    Showers

    • 8
    • 16

    Cloudy

Today 26 Aug South West

Cloudy. Very high chance of rain. The chance of a thunderstorm in the morning and early afternoon, possibly severe with heavy rain which may lead to flash flooding in the north. Light winds. Daytime maximum temperatures around 16.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southwesterly 10 to 15 knots turning southerly 15 to 20 knots in the early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Cape Leeuwin by early evening.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A high pressure ridge over southeastern WA is moving east. A slow-moving cold front and trough will reach the west coast on Wednesday, continuing eastward on Thursday as a low pressure centre develops in the trough near the south coast. In the wake of the front and trough, a new ridge will strengthen across the west coast from Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Margaret River Mouth Temperature Statistics View More

August Temperature

Cape Leeuwin (46km)

  • Lowest 11 August, 2026

    7.7 °C

  • Average August

    14.9 °C

  • Highest 15 August, 2026

    22.8 °C

Climate (2021–2026)

Cape Leeuwin (46km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    20.7 °C
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