Mandalay Beach Weather Forecast

    • 11
    • 21

    Cloudy

    • 16
    • 21

    Shower or two

    • 13
    • 23

    Partly cloudy

    • 14
    • 28

    Mostly sunny

    • 17
    • 35

    Partly cloudy

    • 20
    • 25

    Cloudy

    • 16
    • 21

    Cloudy

Today 21 Dec South West

Partly cloudy. Light winds becoming southerly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 22 to 28.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming south to southwesterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots offshore north of Cape Leeuwin in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A ridge will develop across much of southern WA on Sunday, while a trough lies across the Interior. A weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mandalay Beach Temperature Statistics View More

December Temperature

North Walpole (18km)

  • Lowest 1 December, 2025

    11.4 °C

  • Average December

    18.3 °C

  • Highest 15 December, 2025

    35.5 °C

Climate (2020–Present)

North Walpole (18km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    20.6 °C
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