Sterile Island Weather Forecast

    • 6
    • 12

    Shower

    • 7
    • 14

    Shower

    • 8
    • 12

    Shower

    • 4
    • 14

    Shower

    • 5
    • 15

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 5
    • 16

    Sunny

Today 12 Aug South East

Partly cloudy. Medium chance of showers in the far south, slight chance elsewhere. Snow possible above 1000 metres. Possible small hail in the far south early this evening. Winds westerly 25 to 40 km/h turning northwesterly 20 to 30 km/h in the evening.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 25 to 30 knots, reaching up to 35 knots offshore in the late evening.
Seas
2.5 to 3 metres.
1st Swell
West to southwesterly 4 to 5 metres.
Weather
Partly cloudy. 60% chance of showers, with possible small hail.
Weather Situation
A cold front clears to the east of Tasmania today as a high pressure system over the mainland is forecast to direct a westerly flow over Tasmania on Thursday and persist into Friday. The high then moves over Tasmania on Saturday and Sunday, bringing settled conditions.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sterile Island Temperature Statistics View More

August Temperature

Cape Bruny (14km)

  • Lowest 5 August, 2026

    4.7 °C

  • Average August

    9.6 °C

  • Highest 9 August, 2026

    15.7 °C

Climate (2021–2026)

Cape Bruny (14km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.5 °C
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