Grassy Bay Weather Forecast

    • 12
    • 18

    Rain. Windy

    • 6
    • 15

    Showers. Very windy

    • 10
    • 16

    Showers easing. Very windy

    • 11
    • 16

    Shower or two

    • 11
    • 16

    Possible shower

    • 11
    • 18

    Partly cloudy

    • 11
    • 19

    Partly cloudy

Today 6 May King Island

Cloudy. Very high chance of rain. The chance of a thunderstorm at night. Possible small hail in the evening. Winds northwesterly 25 to 35 km/h turning southwesterly 25 to 40 km/h in the early afternoon. Daytime maximum temperatures around 18.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
West to northwesterly 20 to 30 knots turning southwesterly 25 to 30 knots in the early afternoon.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 1.5 to 2.5 metres, increasing to 3 to 4 metres south of King Island.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the evening. Possible small hail in the late afternoon and evening.
Weather Situation
A cold front approaches Tasmania from the west and is forecast to cross the state on Wednesday. In its wake, a cold southwesterly airstream will prevail on Thursday and Friday, before weakening on Saturday as a ridge of high pressure moves in from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Bay Temperature Statistics View More

May Temperature

King Island Airport (25km)

  • Lowest 4 May, 2026

    10.8 °C

  • Average May

    16.4 °C

  • Highest 1 May, 2026

    26.4 °C

Climate (2021–Present)

King Island Airport (25km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    17.6 °C
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