Rocky Island Weather Forecast

    • 13
    • 15

    Windy

    • 13
    • 15

    Windy

    • 14
    • 15

    Shower

    • 13
    • 15

    Shower

    • 14
    • 15

    Cloudy

    • 12
    • 14

    Cloudy

    • 12
    • 15

    Cloudy

Today 9 Aug Lower Eyre Peninsula

Cloudy. Very high chance of showers. The chance of a thunderstorm in the late morning and afternoon. Damaging winds possible. Winds west to northwesterly 25 to 40 km/h increasing to 50 km/h before turning southwesterly 30 to 45 km/h in the afternoon. Daytime maximum temperatures around 14.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Southwesterly 30 to 35 knots.
Seas
2 to 3 metres, increasing to 2.5 to 4 metres offshore.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres during the afternoon.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the late morning.
Weather Situation
A vigorous cold front is moving across the central SA this morning and then across remaining eastern parts of the State during the afternoon and early evening. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Island Temperature Statistics View More

August Temperature

Cummins Airport (41km)

  • Lowest 2 August, 2026

    2.7 °C

  • Average August

    10.1 °C

  • Highest 7 August, 2026

    17.9 °C

Climate (2021–2026)

Cummins Airport (41km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    15.7 °C

  • Average High 2021–2026

    22.9 °C
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