Grassy Island Weather Forecast

    • 8
    • 13

    Showers. Very windy

    • 7
    • 14

    Shower or two. Wind easing

    • 7
    • 15

    Becoming windy. Partly cloudy

    • 8
    • 14

    Showers. Windy

    • 7
    • 13

    Showers. Wind easing

    • 6
    • 14

    Shower or two

    • 7
    • 14

    Showers

Today 19 Jul King Island

Partly cloudy. Very high chance of showers, most likely from late this morning. The chance of a thunderstorm. Damaging winds possible. Winds north to northwesterly 35 to 55 km/h turning westerly 35 to 50 km/h in the early afternoon. Daytime maximum temperatures around 13.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
North to northwesterly 20 to 30 knots, increasing to 30 to 40 knots during the day. Winds turning westerly 25 to 35 knots in the afternoon, decreasing to 20 to 30 knots in the late evening.
Seas
4 to 6 metres, decreasing to 2.5 to 3 metres by early evening.
1st Swell
Westerly 4 to 6 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm with possible squalls above 40 knots. Possible small hail south of King Island.
Weather Situation
A northwesterly airstream persists over Tasmania ahead of a strong cold front, expected to cross the state from the west on Saturday. A high pressure system over mainland Australia extends a weak ridge over the Tasmania on Sunday, before moving into the Tasman Sea during Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Island Temperature Statistics View More

July Temperature

King Island Airport (26km)

  • Lowest 1 July, 2025

    0.6 °C

  • Average July

    10.7 °C

  • Highest 6 July, 2025

    16.7 °C

Climate (2020–Present)

King Island Airport (26km)

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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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