Mouth Flat Beach Weather Forecast

    • 8
    • 14

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 10
    • 16

    Partly cloudy

    • 12
    • 16

    Shower

    • 11
    • 16

    Shower

    • 11
    • 16

    Shower

    • 10
    • 15

    Shower

Today 26 Jun Kangaroo Island

Partly cloudy. Winds easterly 15 to 20 km/h becoming light in the middle of the day. Daytime maximum temperatures around 15.

South Central Coastal Waters

Wind
East to northeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred over Tasmania extends a ridge over SA. The high and ridge will move eastwards on Sunday and a low pressure trough is expected to reach the far west of the state on Sunday. The trough will slip southeastwards early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

June Temperature

Cape Willoughby (17km)

  • Lowest 22 June, 2026

    9.4 °C

  • Average June

    14 °C

  • Highest 12 June, 2026

    20.1 °C

Climate (2021–2026)

Cape Willoughby (17km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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