Cape Willoughby Weather Forecast

    • 9
    • 15

    Cloudy

    • 11
    • 14

    Windy

    • 11
    • 15

    Partly cloudy

    • 11
    • 16

    Partly cloudy

    • 12
    • 18

    Partly cloudy

    • 14
    • 19

    Shower

    • 12
    • 18

    Shower

Today 8 Sep Kangaroo Island

Partly cloudy. Slight chance of a shower in the evening. Light winds becoming southerly 15 to 25 km/h in the early afternoon then increasing to 25 to 35 km/h in the late evening. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching around 16.

South Central Coastal Waters

Wind
Variable about 10 knots becoming southwesterly 10 to 15 knots in the middle of the day then tending southerly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Willoughby Temperature Statistics View More

September Temperature

Cape Willoughby (0km)

  • Lowest 2 September, 2026

    9.9 °C

  • Average September

    13.4 °C

  • Highest 4 September, 2026

    18.1 °C

Climate (2021–2026)

Cape Willoughby (0km)

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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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