Mouth Flat Beach Weather Forecast

    • 14
    • 21

    Cloudy

    • 14
    • 21

    Cloudy

    • 15
    • 22

    Windy

    • 15
    • 20

    Shower

    • 15
    • 21

    Windy

    • 15
    • 25

    Partly cloudy

    • 17
    • 30

    Partly cloudy

Today 12 Jan Kangaroo Island

Cloudy. Winds southeasterly 20 to 30 km/h.

South Central Coastal Waters

Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure ridge south of SA will persist over the coming days, with a high centre moving to the south of the Bight mid week. The high will continue moving eastwards into the Tasman Sea later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

January Temperature

Cape Willoughby (17km)

  • Lowest 1 January, 2026

    13.7 °C

  • Average January

    18.4 °C

  • Highest 7 January, 2026

    36.5 °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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