Mouth Flat Beach Weather Forecast

    • 13
    • 19

    Cloudy

    • 13
    • 18

    Shower

    • 11
    • 17

    Shower

    • 11
    • 18

    Shower

    • 12
    • 18

    Shower

    • 12
    • 18

    Shower

    • 12
    • 19

    Shower

Today 23 May Kangaroo Island

Partly cloudy. Medium chance of showers, most likely at night. Winds northeasterly 15 to 20 km/h turning northerly 15 to 25 km/h early in the morning. Overnight temperatures falling to around 12 with daytime temperatures reaching around 18.

South Central Coastal Waters

Wind
Northerly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 50% chance of showers.
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

    15.8 °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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