Rocky Island Weather Forecast

    • 12
    • 15

    Partly cloudy

    • 13
    • 15

    Partly cloudy

    • 12
    • 16

    Shower

    • 13
    • 18

    Shower

    • 15
    • 15

    Shower

    • 14
    • 15

    Shower

    • 14
    • 15

    Shower

Today 15 Aug Lower Eyre Peninsula

Partly cloudy. Slight chance of a shower, becoming less likely in the late afternoon and evening. Winds easterly 15 to 20 km/h becoming light in the late afternoon then becoming southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures around 16.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
East to southeasterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred in the Bight, is slowly drifting to the southeast to be located in the Tasman Sea on Monday. A ridge of high pressure is expected to remain over South Australia. A trough of low pressure moves in the far west of South Australia later 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

    10.7 °C

  • Highest 8 August, 2026

    19.8 °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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