Trefoil Island Weather Forecast
- 11
- 15
Partly cloudy
- 11
- 15
Partly cloudy
- 10
- 15
Windy
- 11
- 16
Shower
- 10
- 15
Shower
- 7
- 13
Shower
- 9
- 13
Shower
Today 20 Jun North West Coast
Cloudy. Patchy fog developing during the evening. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon. Daytime maximum temperatures between 12 and 16.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- Northwesterly 10 to 15 knots turning northerly in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres south of King Island.
- 1st Swell
- Westerly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure to the northeast of Tasmania is producing a northwesterly air stream over the state, with this pattern expected to continue across the weekend. A trough is forecast to brush the west of Tasmania during Monday ahead of a cold front to cross early Tuesday morning, with a deep low expected to move to the south of the state later Tuesday.
Trefoil Island Temperature Statistics View More
June Temperature
Marrawah (30km)
Lowest 4 June, 2025
3.9 °CAverage June
9.7 °CHighest 2 June, 2025
17 °C
Climate (2020–Present)
Marrawah (30km)
Average Low 2020–2025
9.7 °CAverage 2020–2025
12.6 °CAverage High 2020–2025
17.1 °C