St Helens Weather Forecast

    • 12
    • 23

    Partly cloudy

    • 12
    • 22

    Early shower or two

    • 12
    • 21

    Mostly sunny

    • 9
    • 19

    Possible shower

    • 8
    • 19

    Cloudy

    • 8
    • 19

    Mostly sunny

    • 10
    • 21

    Partly cloudy

Today 22 Dec St Helens

Partly cloudy. Slight chance of a shower. Winds northwesterly 20 to 25 km/h.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 20 to 25 knots, reaching up to 30 knots offshore.
Seas
2 to 2.5 metres.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure across the mainland, directs a west to southwesterly flow over Tasmania until Thursday. Cold fronts embedded in this flow are expected to cross late this evening and again on Wednesday. The high pressure system then slowly moves over the state from Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Helens Temperature Statistics View More

December Temperature

St Helens Aerodrome (3km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    16 °C

  • Highest 17 December, 2025

    29.5 °C

Climate (2020–Present)

St Helens Aerodrome (3km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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