Mouth Flat Beach Weather Forecast

    • 13
    • 19

    Windy

    • 12
    • 20

    Partly cloudy

    • 14
    • 24

    Partly cloudy

    • 14
    • 21

    Cloudy

    • 14
    • 21

    Cloudy

    • 13
    • 23

    Sunny

    • 14
    • 33

    Sunny

Today 31 Dec Kangaroo Island

Partly cloudy. Winds southeasterly 25 to 40 km/h.

South Central Coastal Waters

Wind
Southeasterly 15 to 25 knots.
Seas
1 to 2 metres.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure sits to the south of the Bight, extending a ridge over most of the state while a trough lingers in the far north. These features will remain relatively unchanged until Saturday, when a new high pressure system moves through the Bight and over the southeast by Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

December Temperature

Cape Willoughby (17km)

  • Lowest 2 December, 2025

    10.7 °C

  • Average December

    17.5 °C

  • Highest 29 December, 2025

    36.4 °C

Climate (2020–Present)

Cape Willoughby (17km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    18.4 °C
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