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.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Helens Temperature Statistics View More

May Temperature

St Helens Aerodrome (3km)

  • Lowest 2 May, 2025

    3.9 °C

  • Average May

    13.2 °C

  • Highest 5 May, 2025

    22 °C

Climate (2020–Present)

St Helens Aerodrome (3km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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