Mouth Flat Beach Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 10
    • 15

    Rain

    • 12
    • 15

    Shower

    • 9
    • 15

    Cloudy

    • 9
    • 16

    Sunny

    • 11
    • 17

    Shower

    • 10
    • 15

    Shower

Today 23 Aug Kangaroo Island

Partly cloudy. The chance of morning fog. Light winds becoming northerly 15 to 20 km/h in the morning then becoming light in the early afternoon. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching around 16.

South Central Coastal Waters

Wind
Northerly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning.
Weather
Partly 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

    12.6 °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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