Mouth Flat Beach Weather Forecast

    • 11
    • 17

    Shower

    • 11
    • 18

    Shower

    • 13
    • 20

    Storm

    • 14
    • 19

    Shower

    • 12
    • 17

    Shower

    • 11
    • 17

    Partly cloudy

    • 12
    • 18

    Partly cloudy

Today 23 Oct Kangaroo Island

Cloudy. Medium chance of showers in the late morning and afternoon. Winds west to northwesterly 15 to 20 km/h tending west to southwesterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures around 17.

South Central Coastal Waters

Wind
Westerly 10 to 15 knots turning southwesterly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy.
Weather Situation
A weak high pressure system in the Bight will track eastwards across the state during today. On Friday a warm front will pass over the west with the associated low pressure system moving along the coast across the weekend. A strong cold front associated with this low will sweep across the state on Saturday, with a trough following through Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

October Temperature

Cape Willoughby (17km)

  • Lowest 2 October, 2025

    7.9 °C

  • Average October

    14.9 °C

  • Highest 16 October, 2025

    25.8 °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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