Cape Willoughby Weather Forecast

    • 11
    • 18

    Partly cloudy

    • 12
    • 16

    Shower

    • 12
    • 15

    Cloudy

    • 12
    • 15

    Partly cloudy

    • 11
    • 15

    Cloudy

    • 11
    • 14

    Windy

    • 10
    • 15

    Partly cloudy

Today 4 Sep Kangaroo Island

Partly cloudy. Slight chance of a shower. Winds northwesterly 25 to 35 km/h.

South Central Coastal Waters

Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots west of Kangaroo Island.
Seas
Around 1 metre, increasing to 1.5 metres west of Kangaroo Island.
1st Swell
Southwesterly 4 metres.
Weather
Partly cloudy. The chance of a thunderstorm with possible squalls.
Weather Situation
A trough lies near the western border ahead of a cold front moving across the Bight, while a weak ridge of high pressure lies across central Australia. The front and trough will move across SA overnight and into southeastern Australia on Saturday, with a ridge of high pressure developing across SA in its wake. A trough is expected to develop near the western border on Sunday and remain near stationary nearly next week.
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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

    13.5 °C

  • Highest 1 September, 2026

    18 °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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