Rosetta Harbor Weather Forecast

    • 8
    • 13

    Showers. Possible storm

    • 7
    • 14

    Possible shower. Wind easing

    • 8
    • 15

    Shower or two

    • 9
    • 16

    Shower or two

    • 9
    • 17

    Partly cloudy

    • 9
    • 18

    Mostly sunny

    • 10
    • 19

    Shower or two

Today 29 Aug Mount Lofty Ranges

Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm during the morning and afternoon. Possible small hail from late this morning. Damaging to locally destructive winds possible. Winds west to northwesterly 35 to 50 km/h increasing to 60 km/h before turning southwesterly 30 to 45 km/h in the afternoon. Daytime maximum temperatures between 8 and 13.

South Central Coastal Waters

Wind
West to southwesterly 30 to 40 knots tending south to southwesterly 25 to 30 knots during the afternoon and evening.
Seas
3 to 4 metres.
1st Swell
Westerly 3 to 5 metres, tending southwesterly 4 to 6 metres around midday.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm. Possible small hail.
Weather Situation
A series of troughs and a vigorous cold front will move over the state early this morning, exiting to the east later today. A high pressure system will extend a ridge over western parts later today and more broadly over the state on Saturday, before centring over the Bight on Sunday and remaining relatively stationary.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rosetta Harbor Temperature Statistics View More

August Temperature

Encounter Bay (3km)

  • Lowest 3 August, 2025

    0.8 °C

  • Average August

    11.3 °C

  • Highest 11 August, 2025

    21.2 °C

Climate (2020–Present)

Encounter Bay (3km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    20.6 °C
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