Grassy Harbour Weather Forecast

    • 14
    • 19

    Partly cloudy

    • 11
    • 16

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 11
    • 21

    Mostly sunny

    • 13
    • 22

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 12
    • 20

    Mostly sunny

Today 30 Dec King Island

Partly cloudy. Winds southerly 25 to 35 km/h.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Southerly 20 to 25 knots, reaching up to 30 knots east of King Island.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly around 1 metre, increasing to 1.5 to 2 metres south of King Island.
Weather
Partly cloudy.
Weather Situation
A cold front will clear in the east during Tuesday evening before a ridge of high pressure will begin to develop from the west on Wednesday. This ridge will persist over the coming days until a trough develops west of Bass Strait late Friday. This trough will extend over the northwest early Saturday and is expected to cross Tasmania by the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Harbour Temperature Statistics View More

December Temperature

King Island Airport (25km)

  • Lowest 10 December, 2025

    4.4 °C

  • Average December

    14.1 °C

  • Highest 18 December, 2025

    28 °C

Climate (2020–Present)

King Island Airport (25km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    17.5 °C
Get WillyWeather+ to remove ads