Onion Creek Entrance Weather Forecast
- 9
- 15
Showers increasing
- 8
- 14
Shower or two
- 7
- 14
Possible shower
- 4
- 13
Showers
- 4
- 12
Shower or two
- 5
- 16
Partly cloudy
- 4
- 16
Partly cloudy
Today 26 Aug St Helens
Cloudy. Very high chance of showers, most likely during this afternoon and evening. Winds north to northwesterly 25 to 35 km/h.
Upper East Coastal Waters
St Helens Point to Wineglass Bay- Wind
- Northerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds turning northwesterly 20 to 25 knots in the evening.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
- 1st Swell
- Northeasterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- A cold front will cross Tasmania today followed by a second front to cross later on Wednesday. A westerly wind flow will continue over the State on Thursday.
Onion Creek Entrance Temperature Statistics View More
August Temperature
St Helens Aerodrome (3km)
Lowest 7 August, 2025
1.5 °CAverage August
9.8 °CHighest 14 August, 2025
17.3 °C
Climate (2020–Present)
St Helens Aerodrome (3km)
Average Low 2020–2025
9.4 °CAverage 2020–2025
13.3 °CAverage High 2020–2025
18.2 °C