Cascades Bay Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 9
    • 15

    Showers increasing

    • 8
    • 13

    Showers

    • 6
    • 15

    Mostly sunny

    • 9
    • 14

    Shower or two

    • 7
    • 14

    Partly cloudy

    • 9
    • 16

    Partly cloudy

Today 24 Aug South East

Partly cloudy. High chance of showers in the far south, medium chance elsewhere. Winds west to northwesterly 25 to 40 km/h decreasing to 20 to 30 km/h in the early afternoon then tending north to northwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 12 and 17.

Frederick Henry Bay and Norfolk Bay Boating

Wind
West to northwesterly 15 to 20 knots tending north to northwesterly below 10 knots in the evening.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system lies well to the east of Tasmania, with a weak cold front forecast move to the south of the state today. A low pressure system over Victoria on Tuesday morning is expected to broaden and move south over Tasmania during the day, before moving away to the east on Wednesday morning. A high pressure system over South Australia is expected to extend a ridge over Tasmania later Wednesday, before moving to north of the state on Thursday. A cold front is expected to approach the southwest late Thursday, crossing during Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cascades Bay Temperature Statistics View More

August Temperature

Tasman Island (25km)

  • Lowest 23 August, 2026

    6 °C

  • Average August

    9.9 °C

  • Highest 20 August, 2026

    17.1 °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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