Onion Creek Entrance Weather Forecast
- 7
- 16
Partly cloudy
- 7
- 20
Sunny
- 7
- 18
Partly cloudy
- 7
- 17
Partly cloudy
- 9
- 18
Partly cloudy
- 9
- 18
Partly cloudy
- 9
- 19
Shower or two
Today 8 May St Helens
Partly cloudy. Winds southwesterly 15 to 20 km/h becoming light in the evening.
Upper East Coastal Waters
St Helens Point to Wineglass Bay- Wind
- Southwesterly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 2 to 3 metres.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 2 to 2.5 metres offshore.
- Weather
- Cloudy.
- Weather Situation
- A cold southwesterly airstream will slowly weaken tonight and during Saturday as a high centre builds over the Bight. The high is expected to slowly approach Tasmania during Sunday and Monday, bringing mostly settled weather to the state. The high centre will then lie close to the south of the state by Monday evening before moving over the Tasman Sea on Tuesday.
Onion Creek Entrance Temperature Statistics View More
May Temperature
St Helens Aerodrome (3km)
Lowest 7 May, 2026
7.1 °CAverage May
14.4 °CHighest 1 May, 2026
24.9 °C
Climate (2021–Present)
St Helens Aerodrome (3km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C