Brother and Sister Weather Forecast

    • 12
    • 25

    Mostly sunny

    • 13
    • 27

    Partly cloudy

    • 13
    • 21

    Shower or two

    • 13
    • 22

    Partly cloudy

    • 14
    • 22

    Shower or two

    • 13
    • 22

    Possible shower

    • 15
    • 24

    Partly cloudy

Today 3 Feb South East

Partly cloudy. Winds west to northwesterly 20 to 30 km/h. Overnight temperatures falling to between 5 and 11 with daytime temperatures reaching 21 to 26.

Storm Bay

Wind
North to northwesterly about 10 knots tending south to southeasterly 15 to 20 knots in the early afternoon then becoming east to southeasterly below 10 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure over the state today, slowly moves out to the Tasman Sea. A cold front is expected to cross the state late Wednesday, with a westerly flow to persist behind it as a weak ridge moves to the north of Tasmania on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brother and Sister Temperature Statistics View More

February Temperature

Tasman Island (26km)

  • Lowest 2 February, 2026

    6.9 °C

  • Average February

    11 °C

  • Highest 1 February, 2026

    12.4 °C

Climate (2021–Present)

Tasman Island (26km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.5 °C
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