Cascades Bay Weather Forecast

    • 13
    • 20

    Late shower or two

    • 8
    • 12

    Showers

    • 5
    • 13

    Showers easing

    • 8
    • 15

    Partly cloudy

    • 9
    • 18

    Mostly sunny

    • 12
    • 19

    Possible shower

    • 12
    • 19

    Shower or two

Today 14 Sep South East

Partly cloudy. High chance of showers in the south, medium chance elsewhere. Winds west to northwesterly 25 to 40 km/h. Daytime maximum temperatures between 14 and 21.

Frederick Henry Bay and Norfolk Bay Boating

Wind
West to northwesterly 10 to 15 knots.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A cold front approaches the state from the west today, crossing Tasmania overnight. A southwesterly flow will establish over Tasmania from Tuesday, as a high in the Bight extends a ridge over the state on Wednesday. Flow turning westerly into Thursday as the high moves to the north.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cascades Bay Temperature Statistics View More

September Temperature

Tasman Island (25km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    10.4 °C

  • Highest 1 September, 2026

    15.9 °C

Climate (2021–2026)

Tasman Island (25km)

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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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