Sterile Island Weather Forecast

    • 12
    • 23

    Shower

    • 10
    • 14

    Shower

    • 9
    • 19

    Windy

    • 9
    • 22

    Partly cloudy

    • 11
    • 24

    Shower

    • 12
    • 18

    Shower

    • 10
    • 19

    Shower

Today 31 Jan South East

Cloudy. The chance of fog in the south in the early morning. Medium chance of showers, most likely at night. Light winds becoming southeast to southwesterly 20 to 30 km/h in the early afternoon then tending northwest to southwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to between 10 and 15 with daytime temperatures reaching 21 to 26.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Variable about 10 knots becoming west to southwesterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 2 metres by early evening.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sterile Island Temperature Statistics View More

January Temperature

Cape Bruny (14km)

  • Lowest 11 January, 2026

    7.2 °C

  • Average January

    15.5 °C

  • Highest 27 January, 2026

    31.2 °C

Climate (2021–Present)

Cape Bruny (14km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    16.5 °C
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