Grassy Harbour Weather Forecast

    • 14
    • 20

    Partly cloudy

    • 12
    • 18

    Mostly sunny

    • 11
    • 19

    Partly cloudy

    • 11
    • 22

    Mostly sunny

    • 13
    • 24

    Partly cloudy

    • 13
    • 21

    Partly cloudy

    • 12
    • 23

    Possible shower

Today 3 Jan King Island

Partly cloudy. Winds easterly 15 to 25 km/h turning south to southeasterly 20 to 30 km/h in the late afternoon. Daytime maximum temperatures in the low 20s.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Easterly 15 to 20 knots, reaching up to 25 knots inshore in the late morning. Winds turning southerly in the afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres inshore.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will persist over Tasmania today. A low pressure trough is expected to cross the state tomorrow then linger off the east coast on Sunday. On Monday a new ridge of high pressure will extend across from the northwest. The main high pressure centre will move eastwards on Tuesday but will continue to extend a ridge over Tasmania.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Harbour Temperature Statistics View More

January Temperature

King Island Airport (25km)

  • Lowest 2 January, 2026

    9.5 °C

  • Average January

    13.9 °C

  • Highest 1 January, 2026

    17.6 °C

Climate (2021–Present)

King Island Airport (25km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    17.5 °C
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