Onion Creek Entrance Weather Forecast

    • 10
    • 21

    Mostly clear

    • 9
    • 21

    Partly cloudy

    • 9
    • 24

    Sunny

    • 11
    • 24

    Partly cloudy

    • 12
    • 22

    Partly cloudy

    • 11
    • 22

    Mostly sunny

    • 13
    • 23

    Partly cloudy

Today 12 Mar St Helens

Mostly clear. Winds southwesterly 15 to 25 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots offshore in the evening.
Seas
1.5 to 2 metres.
1st Swell
South to southwesterly 1 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure extends over Tasmania from a high centred well to the west of the state, forecast to persist throughout the weekend. A weak trough is expected to develop offshore the east coast on Sunday, lingering into Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Creek Entrance Temperature Statistics View More

March Temperature

St Helens Aerodrome (3km)

  • Lowest 7 March, 2026

    12.3 °C

  • Average March

    17.7 °C

  • Highest 10 March, 2026

    25.3 °C

Climate (2021–Present)

St Helens Aerodrome (3km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.3 °C

  • Average High 2021–2026

    18.2 °C
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