The Barway Weather Forecast
- 10
- 17
Partly cloudy
- 8
- 16
Partly cloudy
- 4
- 19
Sunny
- 6
- 16
Partly cloudy
- 5
- 21
Sunny
- 5
- 20
Sunny
- 5
- 19
Partly cloudy
Today 6 Sep St Helens
Partly cloudy. Winds southerly 15 to 20 km/h tending east to northeasterly in the middle of the day then tending north to northwesterly in the late afternoon.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- South to southwesterly 15 to 20 knots becoming variable about 10 knots in the early afternoon then becoming west to northwesterly 15 to 20 knots in the late afternoon.
- Seas
- 1.5 to 2.5 metres, decreasing below 1 metre during the afternoon, then increasing to 1 to 1.5 metres later in the evening.
- 1st Swell
- Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
- Weather
- Mostly sunny.
- Weather Situation
- A weak ridge moves over Tasmania today, before a west to southwesterly flow builds this evening and persists until Wednesday. A series of cold fronts embedded in the westerly flow are forecast to cross the state on Monday and late Tuesday.
The Barway Temperature Statistics View More
September Temperature
St Helens Aerodrome (8km)
Lowest 4 September, 2026
6.1 °CAverage September
12.5 °CHighest 1 September, 2026
17.3 °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