Cascades Bay Weather Forecast

    • 10
    • 15

    Showers. Windy

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Showers

    • 9
    • 14

    Shower or two

    • 8
    • 13

    Shower or two

    • 8
    • 15

    Shower or two

    • 8
    • 14

    Shower or two

Today 3 Sep South East

Cloudy. Very high chance of showers. Snow falling above 700 metres. The chance of a thunderstorm in the south in the late morning and afternoon. Possible small hail. Damaging winds possible. Winds northwesterly 30 to 45 km/h increasing to 35 to 55 km/h before dawn then turning westerly 40 to 60 km/h in the early morning. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching between 8 and 14.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Northwesterly 15 to 25 knots tending westerly 20 to 30 knots in the morning then decreasing to 15 to 25 knots in the evening. Winds may reach up to 35 knots in the early evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
Weather
Cloudy. 90% chance of showers, with possible small hail from the late morning.
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 2 September, 2026

    8.5 °C

  • Average September

    11.1 °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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