Cape Willoughby Weather Forecast

    • 11
    • 19

    Clear

    • 11
    • 17

    Shower

    • 10
    • 15

    Shower

    • 11
    • 16

    Shower

    • 10
    • 15

    Cloudy

    • 10
    • 16

    Cloudy

    • 10
    • 16

    Cloudy

Today 18 Sep Kangaroo Island

Clear. Winds west to northwesterly 15 to 25 km/h becoming light in the evening.

South Central Coastal Waters

Wind
Westerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
West to southwesterly 2.5 metres.
Weather
Clear.
Weather Situation
A high pressure system lies over the Tasman Sea with a ridge extending into the east of the state. A weak trough over South Australian waters will continue moving through eastern waters tonight. A cold front will pass over the south during Friday afternoon with a southwesterly flow persisting through the weekend as a ridge of high pressure extends over northern parts of the state.
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  • Temperature Forecast Bureau of Meteorology

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Cape Willoughby Temperature Statistics View More

September Temperature

Cape Willoughby (0km)

  • Lowest 17 September, 2025

    7 °C

  • Average September

    13.3 °C

  • Highest 6 September, 2025

    23.9 °C

Climate (2020–Present)

Cape Willoughby (0km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    18.4 °C
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