Sterile Island Weather Forecast

    • 6
    • 13

    Shower

    • 3
    • 14

    Partly cloudy

    • 3
    • 16

    Shower

    • 7
    • 17

    Shower

    • 7
    • 13

    Shower

    • 4
    • 10

    Shower

    • 2
    • 9

    Shower

Today 23 Aug South East

Partly cloudy. Medium chance of showers, most likely in the morning with possible small hail in the far south. Snow possible above 1000 metres. Winds west to northwesterly 15 to 25 km/h tending west to southwesterly 20 to 30 km/h in the morning then tending west to northwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 4 and 9 with daytime temperatures reaching between 9 and 14.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northwesterly 15 to 25 knots turning west to southwesterly 15 to 20 knots during the morning. Winds may reach up to 30 knots at times.
Seas
1 to 2 metres.
1st Swell
West to southwesterly 2 to 3 metres inshore, increasing to 2 to 4 metres offshore.
Weather
Partly cloudy. 60% chance of showers, with possible small hail in the morning.
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 16 August, 2025

    3.5 °C

  • Average August

    9.9 °C

  • Highest 14 August, 2025

    17.7 °C

Climate (2020–Present)

Cape Bruny (14km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    12.5 °C

  • Average High 2020–2025

    16.6 °C
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