Mouth Flat Beach Weather Forecast

    • 13
    • 20

    Partly cloudy

    • 14
    • 24

    Shower

    • 17
    • 25

    Shower

    • 15
    • 19

    Cloudy

    • 12
    • 22

    Shower

    • 15
    • 23

    Shower

    • 13
    • 17

    Shower

Today 4 Apr Kangaroo Island

Mostly sunny. Winds southeasterly 20 to 30 km/h turning easterly early in the morning. Overnight temperatures falling to around 12 with daytime temperatures reaching the low 20s.

South Central Coastal Waters

Wind
Easterly 15 to 25 knots.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 2 metres later in the evening.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

April Temperature

Cape Willoughby (17km)

  • Lowest 2 April, 2026

    14.3 °C

  • Average April

    17.4 °C

  • Highest 1 April, 2026

    21.7 °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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