Old Man Rocks Weather Forecast

    • 12
    • 21

    Mostly clear

    • 11
    • 22

    Possible shower

    • 8
    • 20

    Partly cloudy

    • 11
    • 20

    Shower or two

    • 12
    • 23

    Mostly sunny

    • 9
    • 21

    Mostly sunny

    • 9
    • 19

    Mostly sunny

Today 5 Dec St Helens

Mostly clear. Winds northerly 20 to 25 km/h tending northwesterly 15 to 20 km/h in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
North to northwesterly 10 to 15 knots, reaching up to 20 knots near Eddystone Point in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres near Eddystone Point by early evening.
1st Swell
Southerly below 1 metre.
Weather
Mostly clear.
Weather Situation
A weak high pressure system to the east extends a ridge over the State, before a cold front is forecast to cross on Saturday. 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

Old Man Rocks Temperature Statistics View More

December Temperature

St Helens Aerodrome (12km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    15 °C

  • Highest 3 December, 2025

    22.6 °C

Climate (2020–Present)

St Helens Aerodrome (12km)

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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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