Dart Island Weather Forecast

    • 7
    • 12

    Shower or two

    • 9
    • 16

    Mostly sunny

    • 7
    • 16

    Sunny

    • 7
    • 16

    Mostly sunny

    • 8
    • 19

    Partly cloudy

    • 11
    • 20

    Shower or two

    • 9
    • 14

    Showers

Today 9 Sep South East

Cloudy. High chance of showers in the far south, medium chance elsewhere. Snow falling above 1000 metres. Winds west to southwesterly 30 to 45 km/h decreasing to 25 to 35 km/h in the late evening.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Southwesterly 20 to 30 knots decreasing to 15 to 25 knots in the late afternoon then tending westerly 10 to 15 knots in the late evening.
Seas
1 to 2 metres, decreasing to 1 metre later in the evening.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will slowly approach Tasmania from the west on Thursday, with a southwesterly stream over the state to ease during the day. The high pressure centre will move over Victoria on Friday, with high centre expected to lie over the northern Tasman Sea by early Saturday and then remain near stationary during Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dart Island Temperature Statistics View More

September Temperature

Tasman Island (26km)

  • Lowest 4 September, 2026

    6.1 °C

  • Average September

    10.3 °C

  • Highest 1 September, 2026

    15.9 °C

Climate (2021–2026)

Tasman Island (26km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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