River Derwent - Porter Bay Weather Forecast

    • 7
    • 11

    Showers

    • 4
    • 14

    Cloudy

    • 7
    • 15

    Cloudy

    • 10
    • 18

    Partly cloudy

    • 12
    • 20

    Shower or two

    • 12
    • 23

    Shower or two

    • 9
    • 15

    Possible shower

Today 15 Sep Hobart

Cloudy. Very high chance of showers, most likely from late this morning. The chance of a thunderstorm in the late morning and afternoon. Possible small hail. Winds west to northwesterly 15 to 25 km/h tending west to southwesterly 20 to 30 km/h during the morning and early afternoon.

Derwent Estuary

Wind
West to northwesterly 10 to 15 knots tending west to southwesterly 15 to 20 knots during the morning and early afternoon.
Seas
Below 1 metre.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the late morning and afternoon. Possible small hail.
Weather Situation
A southwesterly flow is expected to develop over Tasmania during today in the wake of a cold front, as a high in the Bight is forecast to extend a ridge over the state on Wednesday. Flow is expected to turn westerly Thursday as the high moves over Victoria. Strong northwesterly winds are expected on Friday ahead of an approaching trough.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Derwent - Porter Bay Temperature Statistics View More

September Temperature

Hobart (Ellerslie Road) (7km)

  • Lowest 12 September, 2026

    4.4 °C

  • Average September

    12.4 °C

  • Highest 10 September, 2026

    20.3 °C

Climate (2021–2026)

Hobart (Ellerslie Road) (7km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.1 °C

  • Average High 2021–2026

    18.1 °C
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