Sterile Island Weather Forecast

    • 5
    • 16

    Clear

    • 7
    • 17

    Shower

    • 8
    • 14

    Shower

    • 7
    • 13

    Shower

    • 7
    • 12

    Shower

    • 7
    • 13

    Shower

    • 7
    • 15

    Shower

Today 18 Aug South East

Mostly clear. Winds north to northeasterly 20 to 30 km/h.

South East Coastal Waters

Tasman Island to South East Cape
Wind
North to northeasterly 20 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system to the east of Tasmania will move away over the Tasman Sea overnight, with a trough to approach during Wednesday and move over the state later Wednesday and early Thursday. Another trough will cross Tasmania later on Thursday, with a west to northwesterly stream expected through Friday and then a cold front to brush the south of the state on Saturday morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sterile Island Temperature Statistics View More

August Temperature

Cape Bruny (14km)

  • Lowest 5 August, 2026

    4.7 °C

  • Average August

    9.7 °C

  • Highest 9 August, 2026

    15.7 °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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