St Helens Weather Forecast
- 13
- 23
Possible late shower
- 11
- 19
Partly cloudy
- 9
- 19
Partly cloudy
- 12
- 20
Partly cloudy
- 13
- 21
Possible shower
- 16
- 24
Shower or two
- 15
- 20
Shower or two
Today 30 Dec St Helens
Partly cloudy. Medium chance of showers late this afternoon and evening. Winds northerly 20 to 30 km/h shifting southerly 25 to 30 km/h in the late evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Northeasterly 15 to 20 knots tending northwest to northeasterly in the early afternoon then tending northwest to southwesterly 15 to 25 knots in the late evening. Winds reaching up to 30 knots in the late evening.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Northeast to southeasterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A trough will sweep across the state today, lingering over north eastern waters into Wednesday morning. A new ridge of high pressure will develop from the west over Tasmania late Wednesday and will persist across the state into Friday.
St Helens Temperature Statistics View More
December Temperature
St Helens Aerodrome (3km)
Lowest 25 December, 2025
6.4 °CAverage December
15.6 °CHighest 17 December, 2025
29.5 °C
Climate (2020–Present)
St Helens Aerodrome (3km)
Average Low 2020–2025
9.3 °CAverage 2020–2025
13.3 °CAverage High 2020–2025
18.2 °C