Rosetta Harbor Weather Forecast

    • 6
    • 13

    Rain

    • 6
    • 15

    Showers

    • 9
    • 17

    Shower or two

    • 9
    • 18

    Mostly sunny

    • 9
    • 17

    Showers increasing

    • 6
    • 14

    Showers

    • 5
    • 15

    Shower or two

Today 9 Jul Mount Lofty Ranges

Cloudy. Very high chance of rain. The chance of a thunderstorm about the southern Fleurieu Peninsula. Damaging winds possible. Winds northwesterly 25 to 35 km/h turning west to southwesterly in the evening.

South Central Coastal Waters

Wind
Southwesterly 20 to 30 knots.
Seas
1.5 to 2.5 metres.
1st Swell
Westerly 4 to 5 metres, tending southwesterly 4 to 5 metres later in the evening.
Weather
Cloudy. 90% chance of rain. The chance of a thunderstorm. Possible small hail later this evening.
Weather Situation
A vigorous cold front will move across the south of SA during Wednesday. A couple of troughs will follow overnight and on Thursday then a high pressure system will move across the north of the State late Thursday and Friday. The high will be centred over the eastern states on Saturday but will extend a ridge over SA. Another series of cold fronts will move across on Sunday and Monday.
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  • Temperature Forecast Bureau of Meteorology

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Rosetta Harbor Temperature Statistics View More

July Temperature

Hindmarsh Island (21km)

  • Lowest 3 July, 2025

    5.1 °C

  • Average July

    11.8 °C

  • Highest 3 July, 2025

    17.5 °C

Climate (2020–Present)

Hindmarsh Island (21km)

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  • Average Low 2020–2025

    12 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    20.6 °C
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