The Barway Weather Forecast

    • 8
    • 16

    Mostly clear

    • 5
    • 15

    Cloudy

    • 3
    • 19

    Sunny

    • 6
    • 19

    Partly cloudy

    • 13
    • 24

    Sunny

    • 12
    • 23

    Mostly sunny

    • 10
    • 16

    Partly cloudy

Today 15 Sep St Helens

Mostly clear. Slight chance of a shower early this evening. The chance of a thunderstorm early this evening. Winds southwesterly 20 to 25 km/h.

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. Winds turning southwesterly in the late afternoon.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres offshore.
1st Swell
Southeast to southwesterly around 1 metre, tending south to southwesterly 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm. Possible small hail offshore.
Weather Situation
A high over the central parts of the Bight directs a cold southwesterly wind over Tasmania. The high is expected to extend a ridge over the state from Wednesday as it moves toward western Victoria, and over central Victoria on Thursday. Strong and gusty northwesterly winds are expected on Friday as a deep low pressure system develops well to the south. A weak ridge is forecast to move over the state on Saturday.
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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 8 September, 2026

    3.5 °C

  • Average September

    12.3 °C

  • Highest 10 September, 2026

    22.2 °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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