The Barway Weather Forecast

    • 6
    • 21

    Clear

    • 6
    • 18

    Mostly sunny

    • 7
    • 18

    Showers increasing

    • 7
    • 16

    Becoming cloudy

    • 10
    • 17

    Shower or two. Becoming windy

    • 7
    • 16

    Showers

    • 9
    • 16

    Shower or two

Today 30 Aug St Helens

Clear. Light winds.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Mostly clear.
Weather Situation
A high pressure ridge extends over the southern mainland maintaining a westerly flow over Tasmania today, continuing into Monday before the high centre is forecast to drift into the Tasman Sea late Monday. A cold front is expected to approach from the west and cross Tasmania on Tuesday, followed by persistent westerly flow for the remainder of the week. A cold front embedded in the westerly flow is forecast to cross during Thursday.
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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 23 August, 2026

    2.5 °C
  • Average August

    10.8 °C
  • Highest 13 August, 2026

    19.2 °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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