Cat Island Weather Forecast

    • 11
    • 13

    Shower

    • 11
    • 14

    Partly cloudy

    • 11
    • 15

    Sunny

    • 12
    • 14

    Partly cloudy

    • 13
    • 15

    Partly cloudy

    • 15
    • 16

    Shower

    • 13
    • 14

    Shower

Today 9 Sep Furneaux Islands

Partly cloudy. Slight chance of a shower in the early morning. Winds west to southwesterly 25 to 40 km/h. Overnight temperatures falling to around 9 with daytime temperatures reaching around 14.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 20 to 25 knots, reaching up to 30 knots offshore during the morning. Winds turning southwesterly 15 to 25 knots in the early morning.
Seas
2 to 3 metres, decreasing to 1.5 to 2 metres around midday.
1st Swell
South to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres offshore around midday.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cat Island Temperature Statistics View More

September Temperature

Flinders Island Airport (34km)

  • Lowest 8 September, 2026

    2.6 °C

  • Average September

    12.4 °C

  • Highest 1 September, 2026

    19.3 °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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