Grassy Bay Weather Forecast
- 11
- 16
Cloudy
- 10
- 16
Cloudy
- 9
- 17
Cloudy
- 11
- 18
Partly cloudy
- 12
- 17
Showers
- 9
- 14
Shower or two
- 9
- 15
Shower or two
Today 20 May King Island
Partly cloudy. Slight chance of a shower, becoming less likely in the late afternoon and evening. Winds southwesterly 25 to 35 km/h becoming light in the late evening. Daytime maximum temperatures around 16.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- Southwesterly 15 to 20 knots, reaching up to 25 knots east of King Island in the afternoon.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure centre near the South Australian coast extends a ridge of high pressure to the west of Tasmania. The ridge slowly approaches Tasmania and is expected to cross during Thursday and Friday, bringing mostly settled weather to the state. The high is then forecast to move to the east of Tasmania later Friday as a cold front approaches from the west during Saturday.
Grassy Bay Temperature Statistics View More
May Temperature
King Island Airport (25km)
Lowest 19 May, 2026
4.5 °CAverage May
14.4 °CHighest 1 May, 2026
26.4 °C
Climate (2021–Present)
King Island Airport (25km)
Average Low 2021–2026
10.1 °CAverage 2021–2026
13.6 °CAverage High 2021–2026
17.6 °C