The Barway Weather Forecast
- 8
- 16
Windy. Mostly sunny
- 3
- 17
Cloud clearing
- 4
- 19
Sunny
- 7
- 20
Partly cloudy
- 12
- 24
Shower or two
- 12
- 17
Shower or two
- 8
- 15
Cloudy
Today 21 Sep St Helens
Mostly sunny. Damaging winds possible. Winds west to southwesterly 15 to 25 km/h becoming light in the evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- West to southwesterly 15 to 25 knots, reaching up to 30 knots offshore during the morning.
- Seas
- 2 to 3 metres, decreasing to 1.5 to 2 metres around midday.
- 1st Swell
- South to southwesterly around 1 metre inshore, increasing to 1 to 2 metres offshore.
- Weather
- Mostly sunny.
- Weather Situation
- In the wake of a cold front a high will establish over the Bight today, with the high expected to move to the north of Tasmania on Tuesday morning and lie over the northern Tasman Sea during Wednesday and Thursday.
The Barway Temperature Statistics View More
September Temperature
St Helens Aerodrome (8km)
Lowest 17 September, 2026
2.2 °CAverage September
12.3 °CHighest 19 September, 2026
23.5 °C
Climate (2021–2026)
St Helens Aerodrome (8km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.4 °C