Mouth Flat Beach Weather Forecast

    • 8
    • 14

    Cloudy

    • 7
    • 14

    Cloudy

    • 7
    • 14

    Cloudy

    • 8
    • 16

    Partly cloudy

    • 8
    • 16

    Shower

    • 11
    • 16

    Shower

    • 8
    • 14

    Shower

Today 3 Aug Kangaroo Island

Cloudy. Winds southwesterly 15 to 20 km/h.

South Central Coastal Waters

Wind
Southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Cloudy.
Weather Situation
A high pressure system centred in the Bight will slowly move over southeastern Australia this week while maintaining a ridge over SA. A trough will pass by the coast mid week before a stronger cold front begins to move into the Bight this weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

August Temperature

Cape Willoughby (17km)

  • Lowest 3 August, 2026

    9.3 °C

  • Average August

    11.6 °C

  • Highest 2 August, 2026

    14.6 °C

Climate (2021–2026)

Cape Willoughby (17km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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