Brother and Sister Weather Forecast

    • 11
    • 16

    Possible shower

    • 12
    • 18

    Shower or two

    • 12
    • 21

    Partly cloudy

    • 13
    • 21

    Partly cloudy

    • 14
    • 23

    Mostly sunny

    • 16
    • 25

    Partly cloudy

    • 15
    • 24

    Possible shower

Today 27 Mar South East

Cloudy. Slight chance of a shower, most likely in the early morning. Snow possible above 1200 metres. Winds south to southwesterly 25 to 35 km/h turning west to northwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to between 4 and 11 with daytime temperatures reaching between 11 and 16.

Storm Bay

Wind
Southerly 20 to 30 knots tending south to southwesterly 15 to 25 knots before dawn then tending west to southwesterly 15 to 20 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Weather
Cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brother and Sister Temperature Statistics View More

March Temperature

Tasman Island (26km)

  • Lowest 13 March, 2026

    7.4 °C

  • Average March

    14.4 °C

  • Highest 5 March, 2026

    23.9 °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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