Rocky Island Weather Forecast

    • 14
    • 17

    Cloudy

    • 16
    • 22

    Partly cloudy

    • 20
    • 22

    Shower

    • 16
    • 17

    Shower

    • 16
    • 16

    Shower

    • 14
    • 15

    Partly cloudy

    • 13
    • 16

    Partly cloudy

Today 27 Sep Lower Eyre Peninsula

Partly cloudy. Slight chance of a shower this morning. Winds southeasterly 25 to 35 km/h turning easterly 25 to 40 km/h during the morning. Daytime maximum temperatures around 19.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Southeasterly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning easterly during the day.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A trough over central Australia will weaken and contract into WA as a ridge of high pressure extends across southern SA today. The high pressure system is expected to drift into the Tasman Sea by Tuesday as the trough in WA begins to re-extend over western SA on Tuesday, pushing into the state on Wednesday.
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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

    13.5 °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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