Onion Creek Entrance Weather Forecast

    • 9
    • 19

    Light shower or two

    • 12
    • 19

    Showers

    • 13
    • 20

    Shower or two

    • 11
    • 20

    Possible shower

    • 11
    • 19

    Shower or two

    • 9
    • 18

    Possible shower

    • 8
    • 18

    Mostly sunny

Today 14 May St Helens

Cloudy. Medium chance of light showers. Light winds.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
Seas
Around 1 metre.
1st Swell
Southerly around 1 metre.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A slow moving high pressure system near New Zealand is directing a mild to warm north to northeasterly airstream over Tasmania. A trough is expected to slowly approach the west of the State during Friday and Saturday, before moving across Tasmania during Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Creek Entrance Temperature Statistics View More

May Temperature

St Helens Aerodrome (3km)

  • Lowest 8 May, 2026

    6.1 °C

  • Average May

    13.4 °C

  • Highest 1 May, 2026

    24.9 °C

Climate (2021–Present)

St Helens Aerodrome (3km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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