Mouth Flat Beach Weather Forecast

    • 13
    • 16

    Rain

    • 7
    • 16

    Partly cloudy

    • 10
    • 18

    Shower

    • 14
    • 17

    Shower

    • 14
    • 18

    Shower

    • 12
    • 16

    Shower

    • 11
    • 15

    Shower

Today 13 Jun Kangaroo Island

Partly cloudy. Very high chance of rain, becoming less likely in the late morning. Winds west to northwesterly 20 to 30 km/h turning southwesterly 15 to 25 km/h during the morning then becoming light in the evening. Daytime maximum temperatures around 16.

South Central Coastal Waters

Wind
Westerly 20 to 25 knots turning southwesterly 15 to 20 knots in the early morning.
Seas
1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres during the afternoon, then increasing to 3 to 4 metres later in the evening.
Weather
Partly cloudy. 80% chance of rain.
Weather Situation
A cold front will cross the State today, clearing the far east by early Sunday morning, before a high pressure system develops over the state in its wake. This high will drift eastwards into the Tasman on Monday as a low pressure system develops in the Bight, extending a weak trough off the western coast on Tuesday.
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 5 June, 2026

    9.8 °C
  • Average June

    14.3 °C
  • Highest 1 June, 2026

    18.3 °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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