The Barway Weather Forecast
- 7
- 15
Shower or two
- 4
- 12
Cloudy
- 4
- 11
Cloudy
- 5
- 13
Cloudy
- 3
- 14
Mostly sunny
- 4
- 13
Possible shower
- 4
- 14
Mostly sunny
Today 3 Jul St Helens
Partly cloudy. High chance of showers, most likely in the early morning. Winds northwesterly 15 to 25 km/h becoming light in the morning.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Northwesterly 25 to 30 knots, reaching up to 35 knots offshore during the morning. Winds tending westerly 20 to 30 knots in the middle of the day.
- Seas
- 2.5 to 4 metres, decreasing to 2 to 3 metres during the afternoon.
- 1st Swell
- Southeast to southwesterly around 1 metre, increasing to 1 to 2 metres during the morning, then tending northwest to southwesterly 1.5 to 2.5 metres around midday.
- Weather
- Partly cloudy. 90% chance of showers. The chance of a thunderstorm offshore in the late morning.
- Weather Situation
- A northwesterly airstream will maintain over Tasmania this evening as a cold front moves away to the east. Another stronger cold front approaches from the west and will cross the state tomorrow morning. A cold and gusty southwesterly airstream will then establish later Friday and prevail throughout Saturday. The airstream is expected to ease and tend south to southwesterly during Sunday as a high pressure centre approaches from the west. The high centre is expected to move over Tasmania later Sunday and remain in the vicinity during Monday, bringing settled weather to the state.
The Barway Temperature Statistics View More
July Temperature
St Helens Aerodrome (8km)
Lowest 2 July, 2026
10.9 °CAverage July
12.6 °CHighest 1 July, 2026
16.7 °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