River Derwent - Alum Cliffs Weather Forecast

    • 11
    • 22

    Rain

    • 12
    • 20

    Shower or two

    • 10
    • 17

    Shower or two

    • 11
    • 15

    Showers

    • 8
    • 15

    Shower or two

    • 9
    • 18

    Cloudy

    • 10
    • 20

    Partly cloudy

Today 21 Dec Hobart

Cloudy. Very high chance of rain, most likely later this evening. Winds easterly 20 to 25 km/h turning southerly in the late evening.

Derwent Estuary

Wind
Easterly 10 to 15 knots shifting south to southwesterly 15 to 20 knots in the late evening.
Seas
Around 1 metre.
Weather
Cloudy. 90% chance of rain.
Weather Situation
A low pressure system over the southern mainland is expected to deepen and move to the east coast of Tasmania, before progressing further into the Tasman Sea by early Monday. A ridge of high pressure is expected to extend across the mainland during Monday to direct a westerly flow over Tasmania from Monday to Wednesday. Cold fronts embedded in this flow are expected to cross Tasmania late Monday and again Wednesday. This slow moving high pressure system then moves south of the Bight on Thursday to direct a more southerly flow over the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Derwent - Alum Cliffs Temperature Statistics View More

December Temperature

Hobart (Ellerslie Road) (8km)

  • Lowest 1 December, 2025

    6.1 °C

  • Average December

    15.6 °C

  • Highest 17 December, 2025

    30 °C

Climate (2020–Present)

Hobart (Ellerslie Road) (8km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.1 °C

  • Average High 2020–2025

    18 °C
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