St Helens Weather Forecast
- 6
- 18
Partly cloudy
- 10
- 18
Partly cloudy
- 7
- 13
Cloudy
- 4
- 13
Sunny
- 3
- 14
Sunny
- 4
- 15
Possible shower
- 8
- 16
Shower or two
Today 15 May St Helens
Partly cloudy. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Westerly 15 to 20 knots turning northwesterly in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
- 1st Swell
- Northeasterly below 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A west to northwesterly airstream will persist over Tasmania during Thursday. Another cold front is forecast to move over the state from the southwest during the day on Friday, with a southwesterly flow setting in behind it. On Saturday, a high pressure system over the Bight is forecast to move slowly east, building a ridge over Tasmania.
St Helens Temperature Statistics View More
May Temperature
St Helens Aerodrome (3km)
Lowest 2 May, 2025
3.9 °CAverage May
13.2 °CHighest 5 May, 2025
22 °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