Sterile Island Weather Forecast

    • 7
    • 15

    Shower

    • 7
    • 14

    Windy

    • 6
    • 13

    Windy

    • 7
    • 15

    Shower

    • 8
    • 20

    Cloudy

    • 9
    • 24

    Partly cloudy

    • 12
    • 26

    Partly cloudy

Today 23 Dec South East

Cloudy. High chance of showers in the south, medium chance elsewhere. Snow falling above 1000 metres. Possible small hail in the south in the afternoon. Winds westerly 30 to 45 km/h tending northwesterly in the evening. Daytime maximum temperatures between 11 and 17.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 25 to 30 knots turning northwesterly in the evening. Winds reaching up to 35 knots offshore in the evening.
Seas
2.5 to 3 metres.
1st Swell
Westerly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers, with possible small hail in the afternoon. The chance of a thunderstorm offshore in the evening.
Weather Situation
A cold front crossed the state early this morning, with another front crossing tomorrow. A high pressure system then slowly moves over the state from Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sterile Island Temperature Statistics View More

December Temperature

Cape Bruny (14km)

  • Lowest 15 December, 2025

    5.9 °C

  • Average December

    13.4 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Cape Bruny (14km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
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