The Barway Weather Forecast
- 6
- 17
Partly cloudy
- 9
- 16
Sunny
- 4
- 19
Sunny
- 6
- 20
Sunny
- 6
- 19
Mostly sunny
- 8
- 17
Showers increasing
- 9
- 18
Partly cloudy
Today 27 Aug St Helens
Partly cloudy. Winds westerly 15 to 20 km/h.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots offshore.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
- 1st Swell
- Southeasterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system to north of Tasmania will weaken overnight, with a cold front to approach and cross the state on Friday morning. Another high pressure system will build south of the Bight on Saturday and extend a ridge to the north of Tasmania, with the high centre to move near Adelaide on Sunday and extend a ridge over Tasmania. The high is expected to move to the north of Tasmania on Monday, with a cold front to move to the south of the Bight.
The Barway Temperature Statistics View More
August Temperature
St Helens Aerodrome (8km)
Lowest 23 August, 2026
2.5 °CAverage August
10.7 °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