Brother and Sister Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 13
    • 18

    Partly cloudy

    • 12
    • 17

    Showers

    • 11
    • 17

    Shower or two

    • 13
    • 18

    Shower or two

    • 13
    • 18

    Shower or two

    • 13
    • 18

    Shower or two

Today 23 May South East

Partly cloudy. Winds northwest to northeasterly 15 to 20 km/h. Overnight temperatures falling to between 4 and 9 with daytime temperatures reaching between 13 and 17.

Storm Bay

Wind
North to northeasterly below 10 knots increasing to 15 to 20 knots in the early morning.
Seas
Below 1 metre.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brother and Sister Temperature Statistics View More

May Temperature

Tasman Island (26km)

  • Lowest 8 May, 2026

    4.7 °C

  • Average May

    12.6 °C

  • Highest 1 May, 2026

    21.4 °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

    14.6 °C
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