Flat Rock Weather Forecast

    • 8
    • 22

    Sunny

    • 11
    • 17

    Showers. Very windy

    • 9
    • 17

    Showers increasing. Windy

    • 10
    • 17

    Showers easing. Wind easing

    • 10
    • 18

    Showers easing

    • 8
    • 18

    Partly cloudy

    • 8
    • 19

    Shower or two

Today 16 Aug South West

Sunny. Winds north to northeasterly 15 to 25 km/h. Daytime maximum temperatures in the low 20s.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 2 metres around midday.
1st Swell
Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore east of Cape Leeuwin.
Weather
Sunny.
Weather Situation
A broad ridge of high pressure over southern WA will move east today. A cold front will move over the South West Land Division on Monday followed by a weak ridge which will extend over central parts of the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Rock Temperature Statistics View More

August Temperature

Windy Harbour (4km)

  • Lowest 11 August, 2026

    1.5 °C

  • Average August

    13 °C

  • Highest 3 August, 2026

    21 °C

Climate (2021–2026)

Windy Harbour (4km)

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  • Average Low 2021–2026

    11 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    20.4 °C
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