The Barway Weather Forecast

    • 3
    • 14

    Possible shower

    • 5
    • 15

    Shower or two

    • 3
    • 16

    Partly cloudy

    • 5
    • 14

    Mostly sunny

    • 4
    • 15

    Possible shower

    • 8
    • 14

    Showers

    • 6
    • 15

    Shower or two

Today 4 Aug St Helens

Partly cloudy. The chance of morning frost. Medium chance of showers, most likely this evening. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 10 to 15 knots, reaching up to 20 knots offshore during the day. Winds decreasing to about 10 knots in the late evening.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
Southeast to southwesterly around 1 metre.
Weather
Partly cloudy. 80% chance of showers offshore, 50% chance elsewhere. Possible small hail offshore this morning. The chance of a thunderstorm offshore late this afternoon and evening.
Weather Situation
A broad area of low pressure over Tasmania will move slowly to the east during today. A ridge of high pressure will develop over Tasmania on Wednesday, ahead of a weak cold front expected to cross the state on Thursday. The ridge of high pressure will redevelop over Tasmania on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Barway Temperature Statistics View More

August Temperature

St Helens Aerodrome (8km)

  • Lowest 1 August, 2026

    3 °C

  • Average August

    8.8 °C

  • Highest 2 August, 2026

    15.7 °C

Climate (2021–2026)

St Helens Aerodrome (8km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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