Mouth Flat Beach Weather Forecast

    • 7
    • 16

    Rain

    • 11
    • 16

    Shower

    • 11
    • 15

    Rain

    • 9
    • 14

    Shower

    • 9
    • 16

    Shower

    • 7
    • 15

    Shower

    • 8
    • 16

    Shower

Today 7 Aug Kangaroo Island

Cloudy. High chance of rain. Winds northerly 15 to 25 km/h.

South Central Coastal Waters

Wind
Northerly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over eastern SA until Saturday. A vigorous cold front will move across the west late Saturday then moving across remaining parts of the State on Sunday. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday.
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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 4 August, 2026

    8.9 °C

  • Average August

    11.8 °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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