Isthmus Bay Weather Forecast

    • 7
    • 17

    Possible shower

    • 10
    • 21

    Shower or two

    • 9
    • 18

    Possible shower

    • 8
    • 19

    Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 8
    • 21

    Sunny

    • 11
    • 21

    Shower or two

Today 7 Dec South East

Partly cloudy. High chance of showers in the far south, medium chance elsewhere. Snow falling above 800 metres. Possible small hail in the south during the morning and afternoon. Winds westerly 25 to 35 km/h tending northwesterly 25 to 40 km/h in the evening. Daytime maximum temperatures between 11 and 17.

Channel

Wind
Westerly 15 to 20 knots turning northwesterly 10 to 15 knots in the evening.
Seas
Around 1 metre.
Weather
Partly cloudy. 50% chance of showers, with possible small hail during the morning and afternoon.
Weather Situation
A westerly flow over Tasmania is expected persist into Tuesday, with an embedded cold front to cross the state on Monday. A high pressure system south of the Bight extends a ridge over Bass Strait, with another cold front clipping the south later Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Isthmus Bay Temperature Statistics View More

December Temperature

Dover (27km)

  • Lowest 1 December, 2025

    4.2 °C

  • Average December

    13.1 °C

  • Highest 4 December, 2025

    24.8 °C

Climate (2020–Present)

Dover (27km)

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  • Average Low 2020–2025

    6.9 °C

  • Average 2020–2025

    10 °C

  • Average High 2020–2025

    16.9 °C
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