Saint Helens Island Weather Forecast

    • 12
    • 23

    Partly cloudy

    • 12
    • 21

    Possible early shower

    • 12
    • 21

    Mostly sunny

    • 9
    • 19

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 11
    • 23

    Mostly sunny

Today 22 Dec St Helens

Partly cloudy. Winds southeasterly 15 to 20 km/h shifting northwesterly 15 to 25 km/h in the evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
East to northeasterly 15 to 20 knots shifting west to northwesterly in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Helens Island Temperature Statistics View More

December Temperature

St Helens Aerodrome (5km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    16 °C

  • Highest 17 December, 2025

    29.5 °C

Climate (2020–Present)

St Helens Aerodrome (5km)

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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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