Rocky Island Weather Forecast

    • 12
    • 17

    Sunny

    • 15
    • 19

    Sunny

    • 16
    • 19

    Windy

    • 14
    • 15

    Cloudy

    • 12
    • 16

    Partly cloudy

    • 14
    • 18

    Partly cloudy

    • 17
    • 18

    Cloudy

Today 18 Sep Lower Eyre Peninsula

Sunny. Winds northerly 15 to 25 km/h tending northwesterly 20 to 30 km/h in the middle of the day then becoming light in the late afternoon. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching the low to mid 20s.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Northeasterly 10 to 15 knots turning north to northwesterly during the morning. Winds reaching up to 20 knots inshore in the late morning and early afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres, decreasing to 1.5 metres later in the evening.
Weather
Sunny.
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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

    12.4 °C

  • Highest 12 September, 2026

    25.5 °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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