Brother and Sister Weather Forecast

    • 10
    • 25

    Sunny

    • 11
    • 24

    Sunny

    • 14
    • 25

    Shower or two

    • 12
    • 23

    Possible shower

    • 12
    • 24

    Partly cloudy

    • 13
    • 23

    Showers increasing

    • 11
    • 18

    Shower or two

Today 18 Oct South East

Sunny. Winds north to northwesterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the late afternoon then becoming light in the late evening. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching 21 to 26.

Storm Bay

Wind
Northerly 10 to 15 knots tending northeast to southeasterly in the early afternoon then becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brother and Sister Temperature Statistics View More

October Temperature

Tasman Island (26 km)

  • Lowest 13 October, 2026

    4 °C

  • Average October

    10.6 °C

  • Highest 10 October, 2026

    18.8 °C

Climate (2021–2026)

Tasman Island (26 km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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