The Barway Weather Forecast

    • 7
    • 16

    Shower or two

    • 10
    • 16

    Showers

    • 8
    • 16

    Shower or two

    • 5
    • 14

    Partly cloudy

    • 4
    • 15

    Partly cloudy

    • 7
    • 16

    Showers

    • 8
    • 15

    Shower or two

Today 21 Aug St Helens

Partly cloudy. Medium chance of showers, most likely later this evening. Winds northerly 15 to 20 km/h.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
Southerly below 1 metre.
Weather
Mostly clear.
Weather Situation
A northerly flow strengthens over Tasmania this evening, ahead of an approaching trough expected to cross Tasmania on Friday, quickly followed by a weak cold front to cross the state Saturday morning. A high pressure system is then forecast to move over Tasmania on Saturday evening and Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Barway Temperature Statistics View More

August Temperature

St Helens Aerodrome (8km)

  • Lowest 7 August, 2025

    1.5 °C

  • Average August

    9.2 °C

  • Highest 14 August, 2025

    17.3 °C

Climate (2020–Present)

St Helens Aerodrome (8km)

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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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