Big River Entrance Weather Forecast

    • 12
    • 28

    Mostly sunny

    • 14
    • 21

    Shower or two

    • 15
    • 21

    Possible early storm. Showers

    • 13
    • 21

    Showers increasing

    • 13
    • 19

    Possible shower. Windy

    • 13
    • 18

    Shower or two. Becoming windy

    • 12
    • 19

    Shower or two. Windy

Today 18 Dec Furneaux Islands

Mostly sunny. The chance of fog early this morning. Slight chance of a shower late this afternoon and evening. Light winds becoming west to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon. Daytime maximum temperatures around 30.

Banks Strait and Franklin

Wind
Westerly 10 to 15 knots becoming variable about 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
East to northeasterly below 1 metre.
Weather
Partly cloudy. The chance of morning fog about Banks Strait with reduced visibility.
Weather Situation
A trough approaches from the southwest today and is forecast to cross the state during this afternoon. A weak ridge is then expected to pass to the south on Friday, before a low pressure system moves over the state on Saturday, lingering about the east coast on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big River Entrance Temperature Statistics View More

December Temperature

Flinders Island Airport (20km)

  • Lowest 11 December, 2025

    5.7 °C

  • Average December

    15.1 °C

  • Highest 4 December, 2025

    29 °C

Climate (2020–Present)

Flinders Island Airport (20km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    18.3 °C
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