Mouth Flat Beach Weather Forecast

    • 12
    • 25

    Partly cloudy

    • 17
    • 23

    Partly cloudy

    • 14
    • 25

    Sunny

    • 17
    • 24

    Partly cloudy

    • 17
    • 24

    Shower

    • 13
    • 20

    Partly cloudy

    • 12
    • 20

    Partly cloudy

Today 21 Apr Kangaroo Island

The chance of fog in the early morning. Sunny day. Winds east to northeasterly 15 to 20 km/h turning northerly 20 to 30 km/h during the morning. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching the mid to high 20s.

South Central Coastal Waters

Wind
East to northeasterly 10 to 15 knots turning northerly 15 to 20 knots in the late morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

April Temperature

Cape Willoughby (17km)

  • Lowest 11 April, 2026

    10.5 °C

  • Average April

    16.4 °C

  • Highest 6 April, 2026

    25.4 °C

Climate (2021–Present)

Cape Willoughby (17km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.4 °C
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