Onion Creek Entrance Weather Forecast

    • 11
    • 16

    Showers

    • 8
    • 16

    Windy. Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 7
    • 20

    Partly cloudy

    • 6
    • 21

    Possible shower

    • 8
    • 19

    Partly cloudy

    • 9
    • 20

    Partly cloudy

Today 10 Apr St Helens

Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. Winds northwesterly 25 to 40 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northwesterly 20 to 30 knots, reaching up to 35 knots offshore in the late afternoon.
Seas
2 to 3 metres.
1st Swell
Northeasterly around 1 metre.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore in the afternoon.
Weather Situation
A post frontal airmass lies over the state with a series of troughs to cross the state later today and on Saturday as an area of low pressure moves well to the south of Tasmania. A high over the Bight will direct a southwesterly stream over Tasmania on Sunday, with the high expected to move to the north of the state later Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Creek Entrance Temperature Statistics View More

April Temperature

St Helens Aerodrome (3km)

  • Lowest 4 April, 2026

    6.5 °C

  • Average April

    14.8 °C

  • Highest 1 April, 2026

    26 °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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