Sloop Rock Weather Forecast

    • 11
    • 22

    Possible late shower

    • 8
    • 20

    Partly cloudy

    • 11
    • 20

    Shower or two

    • 12
    • 23

    Mostly sunny

    • 9
    • 22

    Partly cloudy

    • 9
    • 19

    Mostly sunny

    • 9
    • 21

    Partly cloudy

Today 6 Dec St Helens

Partly cloudy. Medium chance of showers late this afternoon and evening. Winds northerly 15 to 20 km/h turning west to northwesterly 25 to 35 km/h during the morning.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
1st Swell
Northeasterly below 1 metre.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm offshore this evening.
Weather Situation
A cold front is crossing the state today. A westerly flow is then expected to develop over Tasmania on Sunday and persist into Tuesday, with an embedded cold front to cross the state on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sloop Rock Temperature Statistics View More

December Temperature

St Helens Aerodrome (14km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    15.4 °C

  • Highest 4 December, 2025

    27.3 °C

Climate (2020–Present)

St Helens Aerodrome (14km)

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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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