Rocky Island Weather Forecast

    • 17
    • 21

    Sunny

    • 19
    • 19

    Windy

    • 17
    • 18

    Windy

    • 17
    • 18

    Windy

    • 17
    • 17

    Partly cloudy

    • 17
    • 20

    Partly cloudy

    • 19
    • 23

    Sunny

Today 19 Dec Lower Eyre Peninsula

Sunny. Winds east to northeasterly 15 to 20 km/h tending northwest to southwesterly 15 to 25 km/h in the middle of the day then tending south to southeasterly in the early afternoon. Daytime maximum temperatures in the low to mid 30s.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 10 to 15 knots in the early afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
Weather
Sunny.
Weather Situation
A high pressure system over waters to the southeast of the state will move southeast on Thursday, with a weak ridge remaining to the south of SA. A new high pressure system and ridge extending from the west into the Bight will become the dominant feature from Friday, and a weak front will clip the southeast on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Island Temperature Statistics View More

December Temperature

Cummins Airport (41km)

  • Lowest 4 December, 2024

    5.9 °C

  • Average December

    21 °C

  • Highest 5 December, 2024

    42.1 °C

Climate (2019–Present)

Cummins Airport (41km)

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  • Average Low 2019–2024

    9.4 °C

  • Average 2019–2024

    15.5 °C

  • Average High 2019–2024

    22.8 °C
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