St Helens Weather Forecast

    • 3
    • 16

    Sunny

    • 4
    • 19

    Sunny

    • 5
    • 20

    Partly cloudy

    • 11
    • 24

    Shower or two

    • 10
    • 16

    Showers

    • 8
    • 14

    Shower or two

    • 7
    • 17

    Possible shower

Today 22 Sep St Helens

Sunny. Winds northeasterly 15 to 20 km/h turning northwesterly in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
West to northwesterly about 10 knots increasing to 10 to 15 knots in the early afternoon then tending north to northwesterly in the late afternoon. Winds reaching up to 20 knots inshore in the evening.
Seas
Below 1 metre.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Weather
Sunny.
Weather Situation
A high pressure system centred over the Bight is expected to move to the north of Tasmania this morning and lie over the northern Tasman Sea during Wednesday and Thursday, maintaining ridge dominated conditions over Tasmania. A trough is forecast to move over the state from the west during Friday ahead of a cold front to cross later.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Helens Temperature Statistics View More

September Temperature

St Helens Aerodrome (3km)

  • Lowest 17 September, 2026

    2.2 °C

  • Average September

    12.5 °C

  • Highest 20 September, 2026

    23.6 °C

Climate (2021–2026)

St Helens Aerodrome (3km)

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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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