Onion Creek Entrance Weather Forecast

    • 9
    • 15

    Showers increasing

    • 8
    • 14

    Shower or two

    • 7
    • 14

    Possible shower

    • 4
    • 13

    Showers

    • 4
    • 12

    Shower or two

    • 5
    • 16

    Partly cloudy

    • 4
    • 16

    Partly cloudy

Today 26 Aug St Helens

Cloudy. Very high chance of showers, most likely during this afternoon and evening. Winds north to northwesterly 25 to 35 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds turning northwesterly 20 to 25 knots in the evening.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
1st Swell
Northeasterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A cold front will cross Tasmania today followed by a second front to cross later on Wednesday. A westerly wind flow will continue over the State on Thursday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Creek Entrance Temperature Statistics View More

August Temperature

St Helens Aerodrome (3km)

  • Lowest 7 August, 2025

    1.5 °C
  • Average August

    9.8 °C
  • Highest 14 August, 2025

    17.3 °C

Climate (2020–Present)

St Helens Aerodrome (3km)

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  • Average Low 2020–2025

    9.4 °C
  • Average 2020–2025

    13.3 °C
  • Average High 2020–2025

    18.2 °C
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