Onion Creek Entrance Weather Forecast

    • 9
    • 17

    Showers increasing

    • 6
    • 15

    Possible shower

    • 8
    • 17

    Possible shower

    • 6
    • 14

    Shower or two

    • 2
    • 17

    Partly cloudy

    • 7
    • 19

    Partly cloudy

    • 7
    • 17

    Shower or two

Today 19 Sep St Helens

Partly cloudy. Very high chance of showers, most likely in the evening. Winds northwesterly 15 to 25 km/h becoming light in the early morning then becoming northwesterly 25 to 35 km/h in the morning.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
North to northwesterly 20 to 30 knots decreasing to 15 to 25 knots before dawn then increasing to 20 to 30 knots in the early afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly around 1 metre.
Weather
Partly cloudy. 70% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Creek Entrance Temperature Statistics View More

September Temperature

St Helens Aerodrome (3km)

  • Lowest 5 September, 2025

    1 °C

  • Average September

    11.1 °C

  • Highest 15 September, 2025

    20.8 °C

Climate (2020–Present)

St Helens Aerodrome (3km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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