Onion Creek Entrance Weather Forecast

    • 7
    • 17

    Clear

    • 7
    • 19

    Partly cloudy

    • 13
    • 17

    Shower or two

    • 12
    • 17

    Shower or two

    • 12
    • 19

    Shower or two

    • 11
    • 21

    Shower or two

    • 9
    • 19

    Possible shower

Today 21 Nov St Helens

Mostly sunny. Winds southeasterly 15 to 20 km/h tending easterly in the middle of the day then becoming light in the late afternoon.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
South to southeasterly 10 to 15 knots turning east to northeasterly below 10 knots in the middle of the day then tending north to northeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
A high pressure ridge lies to the north of Tasmania from a high centred to the west. The high centre is expected to move over the state during today before moving to the south by the weekend, shifting the flow easterly on Saturday. A trough over Victoria during the weekend is forecast to extend south into Bass Strait on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Creek Entrance Temperature Statistics View More

November Temperature

St Helens Aerodrome (3km)

  • Lowest 12 November, 2025

    5.4 °C

  • Average November

    13.1 °C

  • Highest 10 November, 2025

    21.3 °C

Climate (2020–Present)

St Helens Aerodrome (3km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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