Mouth Flat Beach Weather Forecast

    • 11
    • 17

    Shower

    • 11
    • 17

    Shower

    • 12
    • 17

    Partly cloudy

    • 11
    • 18

    Shower

    • 11
    • 17

    Shower

    • 10
    • 17

    Shower

    • 10
    • 19

    Shower

Today 26 May Kangaroo Island

High chance of showers, most likely in the morning. Mostly sunny afternoon. Winds easterly 15 to 20 km/h tending southeasterly in the early afternoon then becoming light in the evening. Overnight temperatures falling to around 9 with daytime temperatures reaching around 17.

South Central Coastal Waters

Wind
Easterly 15 to 20 knots turning southeasterly 10 to 15 knots in the late afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southerly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning, then tending south to southeasterly 2 to 2.5 metres around midday.
Weather
Partly cloudy. 80% 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

    15.7 °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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