Rocky Island Weather Forecast
- 14
- 16
Cloudy
- 13
- 15
Cloudy
- 13
- 16
Cloudy
- 12
- 15
Cloudy
- 13
- 15
Cloudy
- 12
- 16
Partly cloudy
- 12
- 16
Sunny
Today 5 Sep Lower Eyre Peninsula
Cloudy. Winds westerly 25 to 35 km/h tending west to southwesterly 15 to 25 km/h in the late afternoon then becoming light in the late evening.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- Southwesterly 15 to 20 knots decreasing to about 10 knots in the late evening.
- Seas
- 2 metres, decreasing below 1.5 metres by early evening, then decreasing below 1 metre later in the evening.
- 1st Swell
- Southwesterly 5 metres.
- Weather
- Cloudy.
- Weather Situation
- A trough and cold front moved across SA early on Saturday and will continue to move away to the east overnight. A ridge of high pressure will follow and move over SA overnight and on Sunday. Another cold front will move across southern coasts early Monday but the ridge will persist further north. A trough over the interior of WA will be near stationary early to mid next week.
Rocky Island Temperature Statistics View More
September Temperature
Cummins Airport (41km)
Lowest 3 September, 2026
7.8 °CAverage September
12.7 °CHighest 1 September, 2026
18.6 °C
Climate (2021–2026)
Cummins Airport (41km)
Average Low 2021–2026
9.6 °CAverage 2021–2026
15.7 °CAverage High 2021–2026
22.9 °C