Cat Island Weather Forecast

    • 11
    • 14

    Partly cloudy

    • 12
    • 15

    Fog

    • 14
    • 16

    Shower

    • 13
    • 13

    Shower

    • 11
    • 13

    Cloudy

    • 12
    • 14

    Partly cloudy

    • 14
    • 16

    Shower

Today 23 Sep Furneaux Islands

Mostly sunny. The chance of frost in the early morning. Light winds. Overnight temperatures falling to between 2 and 5 with daytime temperatures reaching around 18.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northwest to northeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming northwest to northeasterly 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cat Island Temperature Statistics View More

September Temperature

Flinders Island Airport (34km)

  • Lowest 11 September, 2026

    1.8 °C

  • Average September

    12.6 °C

  • Highest 20 September, 2026

    25.6 °C

Climate (2021–2026)

Flinders Island Airport (34km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    18.4 °C
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