Grassy Bay Weather Forecast

    • 11
    • 20

    Partly cloudy

    • 13
    • 19

    Mostly sunny

    • 14
    • 21

    Shower or two

    • 11
    • 20

    Mostly sunny

    • 13
    • 22

    Partly cloudy

    • 15
    • 22

    Shower or two

    • 12
    • 19

    Possible shower

Today 20 Apr King Island

Partly cloudy. Slight chance of a shower in the late morning. Light winds becoming easterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures around 20.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Easterly about 10 knots increasing to 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore by early evening.
Weather
Partly cloudy.
Weather Situation
A high to the east of Tasmania will remain over the Southern Tasman Sea through today and Tuesday and extend a ridge over the state. A weak cold front is expected to approach Tasmania during Wednesday, then cross the state late Wednesday and early Thursday ahead of another high that will move over Tasmania on Thursday evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Bay Temperature Statistics View More

April Temperature

King Island Airport (25km)

  • Lowest 19 April, 2026

    1 °C

  • Average April

    13.7 °C

  • Highest 2 April, 2026

    20.5 °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

    17.5 °C
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