Brother and Sister Weather Forecast

    • 11
    • 19

    Partly cloudy

    • 10
    • 19

    Showers increasing

    • 8
    • 17

    Possible shower

    • 11
    • 20

    Shower or two

    • 10
    • 18

    Possible shower

    • 10
    • 19

    Mostly sunny

    • 10
    • 18

    Partly cloudy

Today 5 Dec South East

Partly cloudy. Winds west to northwesterly 30 to 45 km/h tending southeast to southwesterly 20 to 30 km/h in the evening then tending northwest to southwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching between 17 and 23.

Storm Bay

Wind
West to northwesterly 15 to 20 knots shifting east to northeasterly 10 to 15 knots in the morning then tending southeast to southwesterly in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brother and Sister Temperature Statistics View More

December Temperature

Tasman Island (26km)

  • Lowest 1 December, 2025

    6.6 °C

  • Average December

    11.2 °C

  • Highest 1 December, 2025

    13.6 °C

Climate (2020–Present)

Tasman Island (26km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.5 °C
Get WillyWeather+ to remove ads