Sterile Island Weather Forecast

    • 6
    • 10

    Windy

    • 4
    • 12

    Windy

    • 7
    • 13

    Shower

    • 8
    • 17

    Shower

    • 11
    • 17

    Shower

    • 10
    • 21

    Shower

    • 6
    • 14

    Shower

Today 15 Sep South East

Cloudy. Very high chance of showers. Snow falling above 400 metres. The chance of a thunderstorm in the far south in the morning and afternoon. Possible small hail. Winds westerly 30 to 45 km/h. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching between 6 and 12.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 25 to 30 knots turning southwesterly in the middle of the day.
Seas
2.5 to 3 metres.
1st Swell
West to southwesterly 3 to 5 metres.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning and afternoon. Possible small hail.
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 9 September, 2026

    5.2 °C

  • Average September

    11.6 °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

    16.6 °C
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