Flat Rock Weather Forecast

    • 13
    • 23

    Cloud clearing

    • 14
    • 24

    Becoming windy. Mostly sunny

    • 16
    • 27

    Wind easing. Cloud clearing

    • 17
    • 23

    Partly cloudy

    • 16
    • 23

    Cloudy

    • 15
    • 21

    Shower or two

    • 14
    • 20

    Possible shower

Today 5 Mar South West

Mostly sunny. Patchy fog in the south early this morning. Light winds becoming south to southeasterly 20 to 30 km/h in the morning. Daytime maximum temperatures 25 to 35.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southeast to southwesterly 10 to 15 knots becoming southeasterly 15 to 20 knots before dawn.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure lies slow moving over southern and central parts of the state, while a deep trough extends down near the west coast. The trough is expected to move inland over the weekend, ahead of a weak cold front moving through the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Rock Temperature Statistics View More

March Temperature

Windy Harbour (4km)

  • Lowest 1 March, 2026

    4.5 °C

  • Average March

    20.1 °C

  • Highest 2 March, 2026

    23.5 °C

Climate (2021–Present)

Windy Harbour (4km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    20.4 °C
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