Sisters Island Weather Forecast
- 10
- 20
Shower or two
- 12
- 22
Partly cloudy
- 8
- 21
Partly cloudy
- 10
- 24
Sunny
- 11
- 24
Showers increasing
- 11
- 20
Shower or two
- 7
- 20
Partly cloudy
Today 18 Feb North West Coast
Partly cloudy. High chance of showers in the west, medium chance elsewhere. Winds westerly 30 to 45 km/h. Daytime maximum temperatures between 17 and 21.
Central North Coastal Waters
Stanley to Flinders Island- Wind
- Westerly 25 to 30 knots decreasing to 20 to 25 knots in the early morning then increasing to 25 to 30 knots in the middle of the day.
- Seas
- 2 to 3 metres.
- 1st Swell
- Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure is expected to develop over southeastern parts of the mainland today, maintaining a westerly flow over Tasmania until the ridge moves over the state on Thursday. The ridge is forecast to move eastwards over the Tasman Sea, as a cold front approaches and crosses from the west late Friday, followed by a secondary high pressure system moving over the state on Saturday.
Sisters Island Temperature Statistics View More
February Temperature
Burnie Airport (16km)
Lowest 2 February, 2026
2.9 °CAverage February
16.2 °CHighest 4 February, 2026
27.7 °C
Climate (2021–Present)
Burnie Airport (16km)
Average Low 2021–2026
7.7 °CAverage 2021–2026
12.5 °CAverage High 2021–2026
17.6 °C