Sterile Island Weather Forecast

    • 8
    • 16

    Shower

    • 8
    • 13

    Shower

    • 7
    • 14

    Shower

    • 5
    • 11

    Windy

    • 8
    • 14

    Shower

    • 8
    • 16

    Partly cloudy

    • 6
    • 17

    Shower

Today 6 Sep South East

Partly cloudy. High chance of showers in the far south, medium chance elsewhere. Winds south to southwesterly 20 to 30 km/h turning west to northwesterly 15 to 25 km/h during the day. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching between 13 and 18.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southerly 15 to 20 knots turning westerly 15 to 25 knots during the morning. Winds reaching up to 30 knots offshore in the late evening.
Seas
1 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 2 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 70% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sterile Island Temperature Statistics View More

September Temperature

Cape Bruny (14km)

  • Lowest 4 September, 2026

    7.1 °C

  • Average September

    11.1 °C

  • Highest 1 September, 2026

    18.3 °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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