Cat Island Weather Forecast

    • 11
    • 13

    Sunny

    • 11
    • 13

    Partly cloudy

    • 12
    • 14

    Shower

    • 12
    • 13

    Partly cloudy

    • 12
    • 14

    Partly cloudy

    • 12
    • 13

    Cloudy

    • 13
    • 16

    Shower

Today 26 Aug Furneaux Islands

Sunny. Winds westerly 25 to 35 km/h turning southwesterly 15 to 20 km/h during the day. Overnight temperatures falling to around 8 with daytime temperatures reaching around 15.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 15 to 20 knots turning south to southwesterly during the day. Winds reaching up to 30 knots offshore during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly around 1 metre, increasing to 1.5 to 2.5 metres during the afternoon.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cat Island Temperature Statistics View More

August Temperature

Flinders Island Airport (34km)

  • Lowest 2 August, 2026

    1.5 °C

  • Average August

    11.5 °C

  • Highest 19 August, 2026

    18 °C

Climate (2021–2026)

Flinders Island Airport (34km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    18.4 °C
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