Moulting Bay Weather Forecast

    • 10
    • 14

    Rain

    • 7
    • 17

    Partly cloudy

    • 7
    • 18

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 6
    • 15

    Shower or two

    • 6
    • 13

    Cloudy

    • 5
    • 15

    Cloudy

Today 22 Oct St Helens

Cloudy. Very high chance of rain, becoming less likely later tonight. Winds southeasterly 15 to 20 km/h tending southerly 20 to 30 km/h in the late afternoon then tending southwesterly 15 to 25 km/h in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
West to northwesterly 20 to 30 knots turning southwesterly 25 to 30 knots in the evening. Winds reaching up to 40 knots in the evening.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres by early evening.
1st Swell
Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy. 80% chance of rain. The chance of a thunderstorm offshore early this evening.
Weather Situation
A low pressure system moves over Tasmania, with a southwesterly airstream to follow during this evening. The airstream shifts west to southwesterly on Thursday and persists into Friday and Saturday, as a ridge of high pressure sits over the southern mainland.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Moulting Bay Temperature Statistics View More

October Temperature

St Helens Aerodrome (4km)

  • Lowest 4 October, 2025

    4.4 °C

  • Average October

    13 °C

  • Highest 16 October, 2025

    24.3 °C

Climate (2020–Present)

St Helens Aerodrome (4km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    18.2 °C
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