Big Trumpeter Bay Weather Forecast

    • 9
    • 16

    Shower

    • 7
    • 14

    Shower

    • 10
    • 17

    Shower

    • 9
    • 16

    Shower

    • 8
    • 17

    Shower

    • 9
    • 18

    Cloudy

    • 8
    • 21

    Sunny

Today 6 Dec South East

Cloudy. Very high chance of showers, most likely in the afternoon and evening. Snow falling above 800 metres. The chance of a thunderstorm in the south at night. Possible small hail in the evening. Winds west to northwesterly 15 to 25 km/h becoming northwesterly 25 to 35 km/h before dawn then tending westerly 20 to 30 km/h in the middle of the day. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching between 14 and 21.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northwest to southwesterly 15 to 20 knots, reaching up to 25 knots offshore early in the morning. Winds tending northwesterly before dawn then turning west to southwesterly in the late morning.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Westerly 2 to 3 metres.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm at night. Possible small hail in the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Trumpeter Bay Temperature Statistics View More

December Temperature

Cape Bruny (26km)

  • Lowest 1 December, 2025

    7.2 °C

  • Average December

    13.9 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Cape Bruny (26km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
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