Rocky Island Weather Forecast

    • 16
    • 17

    Shower

    • 16
    • 16

    Shower

    • 14
    • 16

    Shower

    • 13
    • 16

    Partly cloudy

    • 13
    • 16

    Cloudy

    • 13
    • 16

    Partly cloudy

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    Partly cloudy

Today 30 Sep Lower Eyre Peninsula

Partly cloudy. Very high chance of showers, becoming less likely this morning. The chance of a thunderstorm during this afternoon and evening. Winds northwesterly 15 to 20 km/h tending northwest to southwesterly in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures in the low to mid 20s.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
West to northwesterly below 10 knots becoming east to northeasterly in the evening.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm this evening.
Weather Situation
A series of slow moving troughs will move across the state today and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Island Temperature Statistics View More

September Temperature

Cummins Airport (41km)

  • Lowest 17 September, 2026

    1.1 °C

  • Average September

    14 °C

  • Highest 24 September, 2026

    29.3 °C

Climate (2021–2026)

Cummins Airport (41km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    15.7 °C

  • Average High 2021–2026

    22.9 °C
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