Margaret River Mouth Weather Forecast

    • 11
    • 23

    Partly cloudy

    • 11
    • 19

    Showers

    • 9
    • 18

    Shower or two

    • 6
    • 18

    Cloudy

    • 7
    • 19

    Mostly sunny

    • 9
    • 21

    Mostly sunny

    • 14
    • 22

    Showers

Today 20 May South West

Partly cloudy. Slight chance of a shower near the south coast, most likely in the afternoon. Near zero chance of rain elsewhere. Winds northerly 15 to 20 km/h tending northwesterly in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures in the low 20s.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
West to northwesterly 10 to 15 knots tending west to southwesterly in the early afternoon then becoming variable below 10 knots in the late afternoon.
Seas
Around 1 metre, decreasing below 0.5 metres by early evening.
1st Swell
West to southwesterly 2 metres inshore, increasing to 2.5 to 3 metres offshore.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A weak cold front will reach southwest parts during Thursday morning, moving eastwards along the south coast on Friday. Another ridge develops over the southwest in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Margaret River Mouth Temperature Statistics View More

May Temperature

Cape Leeuwin (46km)

  • Lowest 1 May, 2026

    11 °C

  • Average May

    16.9 °C

  • Highest 11 May, 2026

    24.5 °C

Climate (2021–Present)

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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