The Barway Weather Forecast
- 8
- 17
Partly cloudy
- 9
- 16
Early shower or two
- 3
- 16
Sunny
- 9
- 17
Shower or two
- 8
- 14
Shower or two
- 7
- 13
Possible shower
- 4
- 16
Mostly sunny
Today 21 Aug St Helens
Partly cloudy. Slight chance of a shower. Winds west to northwesterly 15 to 25 km/h.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Westerly 20 to 30 knots.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres offshore.
- 1st Swell
- Southeast to southwesterly around 1 metre offshore.
- Weather
- Partly cloudy. 80% chance of showers.
- Weather Situation
- A series of troughs and fronts embedded in a westerly flow are expected to cross Tasmania over the coming days. A high pressure system to the north of Tasmania brings stable conditions from late Saturday before it moves into the Tasman Sea on Sunday. A cold front then approaches Tasmania from the west on Monday, directing a northwesterly flow over the state.
The Barway Temperature Statistics View More
August Temperature
St Helens Aerodrome (8km)
Lowest 1 August, 2026
3 °CAverage August
10.4 °CHighest 13 August, 2026
19.2 °C
Climate (2021–2026)
St Helens Aerodrome (8km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C