Grassy Weather Forecast

    • 10
    • 18

    Showers increasing. Windy

    • 10
    • 17

    Shower or two. Becoming windy

    • 12
    • 17

    Shower or two. Windy

    • 10
    • 16

    Windy. Cloudy

    • 10
    • 17

    Cloudy

    • 10
    • 22

    Mostly sunny

    • 13
    • 25

    Sunny

Today 22 Dec King Island

Cloudy. High chance of showers, most likely in the late afternoon and evening. Winds westerly 25 to 40 km/h tending southwesterly 20 to 30 km/h in the late evening. Daytime maximum temperatures around 18.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Westerly 20 to 25 knots, reaching up to 30 knots east of King Island in the late morning.
Seas
1.5 to 2.5 metres.
1st Swell
West to southwesterly around 1 metre, increasing to 1.5 to 2 metres south of King Island.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A low pressure system is to the east of Tasmania. 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

Grassy Temperature Statistics View More

December Temperature

King Island Airport (23km)

  • Lowest 10 December, 2025

    4.4 °C

  • Average December

    14.3 °C

  • Highest 18 December, 2025

    28 °C

Climate (2020–Present)

King Island Airport (23km)

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  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    17.5 °C
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