Mouth Flat Beach Weather Forecast

    • 12
    • 18

    Shower

    • 9
    • 19

    Shower

    • 11
    • 18

    Shower

    • 11
    • 19

    Shower

    • 9
    • 19

    Partly cloudy

    • 10
    • 18

    Partly cloudy

    • 11
    • 19

    Shower

Today 17 May Kangaroo Island

Partly cloudy. Medium chance of showers, most likely in the late morning and afternoon. Light winds. Overnight temperatures falling to around 11 with daytime temperatures reaching around 18.

South Central Coastal Waters

Wind
South to southeasterly 10 to 15 knots becoming east to southeasterly below 10 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

May Temperature

Cape Willoughby (17km)

  • Lowest 3 May, 2026

    11.5 °C

  • Average May

    16 °C

  • Highest 1 May, 2026

    24.4 °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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