Old Man Rocks Weather Forecast

    • 14
    • 22

    Clear

    • 11
    • 21

    Mostly sunny

    • 11
    • 24

    Partly cloudy

    • 16
    • 25

    Partly cloudy

    • 15
    • 21

    Cloudy

    • 14
    • 23

    Cloudy

    • 15
    • 24

    Shower or two

Today 25 Jan St Helens

Clear. Winds southeasterly 25 to 35 km/h tending southerly 20 to 25 km/h in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Southerly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
2 to 2.5 metres.
1st Swell
South to southeasterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Clear.
Weather Situation
A high pressure system to the west moves over the state on Monday to be in the Tasman Sea on Tuesday. A trough of low pressure approaches from the west and crosses the state during Tuesday afternoon and evening. On Wednesday a high pressure system south of the Bight extends a ridge over the state. The ridge persists on Thursday the high centre moves in to the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Old Man Rocks Temperature Statistics View More

January Temperature

St Helens Aerodrome (12km)

  • Lowest 12 January, 2026

    9.4 °C

  • Average January

    17 °C

  • Highest 7 January, 2026

    33.6 °C

Climate (2021–Present)

St Helens Aerodrome (12km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.3 °C

  • Average High 2021–2026

    18.2 °C
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