Sisters Bay Weather Forecast

    • 6
    • 10

    Shower or two

    • 4
    • 8

    Showers. Windy

    • 4
    • 9

    Cloudy

    • 4
    • 9

    Partly cloudy

    • 5
    • 10

    Shower or two

    • 5
    • 9

    Shower or two

    • 6
    • 10

    Partly cloudy

Today 3 Jul South East

Cloudy. High chance of showers in the south, medium chance elsewhere. Snow falling above 800 metres. Possible small hail. Winds westerly 25 to 40 km/h.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Southwesterly 20 to 30 knots, reaching up to 35 knots offshore in the late evening.
Seas
2 to 3 metres.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. 70% chance of showers. The chance of a thunderstorm offshore later tonight. Possible small hail later this evening.
Weather Situation
A cold and gusty southwesterly airstream prevails over Tasmania tonight and into Saturday. A very strong high pressure centre will then move over the state on Sunday and remain in the vicinity during Monday, bringing settled weather to the state. A cold front is expected to briefly cross the south on Tuesday, before the high reinstates itself.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sisters Bay Temperature Statistics View More

July Temperature

Tasman Island (31km)

  • Lowest 2 July, 2026

    10.1 °C

  • Average July

    12 °C

  • Highest 1 July, 2026

    15.3 °C

Climate (2021–2026)

Tasman Island (31km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.6 °C
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