Cascades Bay Weather Forecast

    • 9
    • 15

    Rain

    • 10
    • 16

    Possible shower

    • 8
    • 13

    Showers easing

    • 8
    • 15

    Showers increasing

    • 7
    • 13

    Shower or two. Windy

    • 8
    • 16

    Partly cloudy

    • 9
    • 17

    Sunny

Today 5 Sep South East

Cloudy. Very high chance of rain. The chance of a thunderstorm in the late morning and afternoon. Winds northwest to northeasterly 20 to 30 km/h tending northeast to southeasterly 15 to 20 km/h in the morning then tending south to southwesterly 20 to 30 km/h in the early afternoon. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching between 9 and 14.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Northerly 10 to 15 knots becoming variable about 10 knots before dawn then becoming southerly 15 to 20 knots in the late afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres later in the evening.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the late morning and afternoon.
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 4 September, 2026

    6.1 °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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