Saint Helens Marina Weather Forecast

    • 10
    • 15

    Shower or two

    • 5
    • 12

    Partly cloudy

    • 4
    • 13

    Partly cloudy

    • 9
    • 16

    Partly cloudy

    • 5
    • 16

    Partly cloudy

    • 9
    • 15

    Shower or two

    • 7
    • 14

    Shower or two

Today 22 Jul St Helens

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds northwesterly 15 to 25 km/h tending westerly 15 to 20 km/h in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northwesterly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Winds tending westerly in the early afternoon.
Seas
2 to 2.5 metres.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
A high pressure centre over the Tasman Sea is directing a northwesterly flow over Tasmania. A strong cold front is forecast to move over the state from the west late Wednesday and another cold front follows on Thursday, bringing strong west to southwesterly flow across the state, persisting into Friday and easing during Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Helens Marina Temperature Statistics View More

July Temperature

St Helens Aerodrome (2km)

  • Lowest 11 July, 2026

    3.4 °C

  • Average July

    9.9 °C

  • Highest 19 July, 2026

    17.3 °C

Climate (2021–2026)

St Helens Aerodrome (2km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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