Mouth Flat Beach Weather Forecast

    • 9
    • 15

    Cloudy

    • 8
    • 15

    Partly cloudy

    • 10
    • 15

    Shower

    • 10
    • 15

    Shower

    • 8
    • 15

    Partly cloudy

    • 9
    • 17

    Shower

    • 11
    • 16

    Shower

Today 22 Aug Kangaroo Island

Partly cloudy. Slight chance of a shower. The chance of morning fog. Winds westerly 15 to 20 km/h becoming light in the morning. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching around 16.

South Central Coastal Waters

Wind
West to southwesterly 15 to 20 knots decreasing to about 10 knots in the morning then becoming northwesterly in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

August Temperature

Cape Willoughby (17km)

  • Lowest 4 August, 2026

    8.9 °C

  • Average August

    12.5 °C

  • Highest 7 August, 2026

    17.4 °C

Climate (2021–2026)

Cape Willoughby (17km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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