Cape Willoughby Weather Forecast

    • 13
    • 16

    Shower

    • 10
    • 16

    Shower

    • 12
    • 19

    Windy

    • 16
    • 23

    Partly cloudy

    • 14
    • 19

    Shower

    • 13
    • 19

    Shower

    • 12
    • 16

    Shower

Today 26 Sep Kangaroo Island

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning. Winds southeasterly 20 to 30 km/h increasing to 25 to 35 km/h in the early afternoon. Overnight temperatures falling to around 11 with daytime temperatures reaching around 15.

South Central Coastal Waters

Wind
Southeasterly 15 to 20 knots increasing to 20 to 25 knots in the middle of the day. Winds reaching up to 30 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.
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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

    14.1 °C

  • Highest 24 September, 2026

    24.8 °C

Climate (2021–2026)

Cape Willoughby (0km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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