Mouth Flat Beach Weather Forecast

    • 14
    • 22

    Sunny

    • 13
    • 22

    Partly cloudy

    • 12
    • 25

    Sunny

    • 14
    • 26

    Sunny

    • 16
    • 24

    Partly cloudy

    • 15
    • 21

    Shower

    • 14
    • 19

    Cloudy

Today 20 Mar Kangaroo Island

Mostly sunny. Winds southeasterly 15 to 25 km/h. Daytime maximum temperatures in the low to mid 20s.

South Central Coastal Waters

Wind
Southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will persist across the state. The high pressure centre will become established in the Tasman Sea over the weekend ahead of a cold front early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

March Temperature

Cape Willoughby (17km)

  • Lowest 13 March, 2026

    14.3 °C

  • Average March

    17.6 °C

  • Highest 10 March, 2026

    29 °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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