St Helens Weather Forecast

    • 11
    • 17

    Shower or two

    • 8
    • 17

    Partly cloudy

    • 7
    • 16

    Partly cloudy

    • 5
    • 17

    Partly cloudy

    • 9
    • 16

    Shower or two

    • 7
    • 14

    Showers

    • 7
    • 14

    Shower or two

Today 20 Aug St Helens

Partly cloudy. Medium chance of showers, most likely in the morning. Winds north to northwesterly 20 to 30 km/h becoming light in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northerly 15 to 20 knots turning west to northwesterly 15 to 25 knots during the morning and early afternoon. Winds reaching up to 30 knots offshore in the afternoon.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening.
1st Swell
Northeasterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy. 80% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Helens Temperature Statistics View More

August Temperature

St Helens Aerodrome (3km)

  • Lowest 1 August, 2026

    3 °C

  • Average August

    10.3 °C

  • Highest 13 August, 2026

    19.2 °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

    18.3 °C
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