Night Island Weather Forecast

    • 12
    • 23

    Mostly sunny

    • 12
    • 27

    Mostly sunny

    • 14
    • 21

    Possible shower

    • 14
    • 22

    Shower or two

    • 12
    • 21

    Showers. Becoming windy

    • 13
    • 20

    Windy. Partly cloudy

    • 13
    • 18

    Possible shower

Today 17 Dec Furneaux Islands

Mostly sunny. Light winds. Daytime maximum temperatures in the low to mid 20s.

Banks Strait and Franklin

Wind
Northwesterly 10 to 15 knots turning westerly in the middle of the day.
Seas
Below 1 metre, increasing to around 1 metre near Eddystone Point.
1st Swell
South to southeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system in Bass Strait will maintain a ridge across Tasmania as it drifts into the Tasman Sea. A trough will cross over the state tomorrow with a broad low pressure system developing off the west coast while a weak ridge slides along the south and the east on Friday. On Saturday the low pressure system will move to the south with an associated trough crossing the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Night Island Temperature Statistics View More

December Temperature

Swan Island (28km)

  • Lowest 2 December, 2025

    8.3 °C

  • Average December

    14.7 °C

  • Highest 13 December, 2025

    24.2 °C

Climate (2020–Present)

Swan Island (28km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.5 °C
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