The Barway Weather Forecast

    • 4
    • 21

    Partly cloudy

    • 12
    • 23

    Shower or two

    • 9
    • 15

    Showers

    • 6
    • 14

    Mostly sunny

    • 5
    • 15

    Mostly sunny

    • 7
    • 19

    Mostly sunny

    • 9
    • 21

    Shower or two

Today 24 Sep St Helens

Partly cloudy. Slight chance of a shower at night. Light winds becoming north to northeasterly 15 to 20 km/h in the middle of the day then tending north to northwesterly in the early afternoon.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
North to northwesterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming northerly 10 to 15 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy.
Weather Situation
A weak ridge extends over Tasmania from a high pressure system over the central Tasman Sea. The ridge weakens further Thursday, as a trough approaches from the west in the evening. Another weak trough is forecast to move over the state from the west during Friday ahead of a cold front to cross later. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday, and move over on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Barway Temperature Statistics View More

September Temperature

St Helens Aerodrome (8km)

  • Lowest 22 September, 2026

    1.7 °C

  • Average September

    12.1 °C

  • Highest 20 September, 2026

    23.6 °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

    18.4 °C
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