Mouth Flat Beach Weather Forecast

    • 10
    • 20

    Shower

    • 16
    • 22

    Shower

    • 12
    • 18

    Shower

    • 11
    • 16

    Shower

    • 12
    • 18

    Cloudy

    • 12
    • 18

    Cloudy

    • 12
    • 21

    Partly cloudy

Today 8 Apr Kangaroo Island

Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the late morning and afternoon. Winds northeasterly 15 to 20 km/h increasing to 25 km/h before turning north to northwesterly 15 to 20 km/h in the afternoon. Daytime maximum temperatures in the low 20s.

South Central Coastal Waters

Wind
North to northeasterly 10 to 15 knots tending north to northwesterly 15 to 20 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Cloudy. 60% chance of showers. The chance of a thunderstorm in the late morning and afternoon.
Weather Situation
A high-pressure system south of the state will move east today allowing a strong cold front to move over South Australia later Thursday. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
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 5 April, 2026

    14.2 °C

  • Average April

    17.3 °C

  • Highest 6 April, 2026

    25.4 °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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