Sterile Island Weather Forecast

    • 9
    • 18

    Windy

    • 10
    • 15

    Windy

    • 6
    • 23

    Windy

    • 5
    • 12

    Shower

    • 6
    • 14

    Shower

    • 5
    • 16

    Cloudy

    • 8
    • 16

    Shower

Today 18 Sep South East

Partly cloudy. High chance of showers, most likely in the late afternoon and evening. Damaging winds possible. Winds west to northwesterly 30 to 45 km/h increasing to 45 to 65 km/h before dawn. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching between 14 and 19.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to northwesterly 25 to 40 knots.
Seas
2 to 4 metres.
1st Swell
West to southwesterly 4 to 6 metres.
Weather
Partly cloudy. 80% 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 16 September, 2026

    4.5 °C

  • Average September

    11 °C

  • Highest 14 September, 2026

    18.9 °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

    16.6 °C
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