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.
Grassy Island Temperature Statistics View More
July Temperature
King Island Airport (26km)
Lowest 1 July, 2025
0.6 °CAverage July
10.7 °CHighest 6 July, 2025
16.7 °C
Climate (2020–Present)
King Island Airport (26km)
Average Low 2020–2025
10.1 °CAverage 2020–2025
13.5 °CAverage High 2020–2025
17.5 °C