Onkaparinga River Entrance Weather Forecast
- 12
- 17
Showers. Windy
- 10
- 17
Partly cloudy
- 9
- 18
Partly cloudy
- 8
- 17
Becoming cloudy
- 10
- 16
Partly cloudy
- 7
- 17
Sunny
- 8
- 20
Mostly sunny
Today 5 Sep Adelaide
Cloudy. Very high chance of showers, becoming less likely this afternoon. The chance of a thunderstorm about the hills and southern suburbs early this morning. Damaging winds possible. Winds west to northwesterly 25 to 40 km/h tending west to southwesterly 35 to 50 km/h during the day.
Adelaide Metropolitan Waters
- Wind
- Northwesterly 20 to 25 knots, reaching up to 30 knots during the day. Winds turning west to southwesterly 15 to 20 knots during the day.
- Seas
- 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Partly cloudy. 90% chance of showers. The chance of a thunderstorm south of Port Noarlunga early this morning.
- Weather Situation
- A cold front and trough will track east today clearing South Australia as a ridge of high pressure develops in its wake. A trough is then expected to develop near the western border on Sunday and remain near stationary nearly next week.
Onkaparinga River Entrance Temperature Statistics View More
September Temperature
Noarlunga (3km)
Lowest 4 September, 2026
10.9 °CAverage September
14.4 °CHighest 1 September, 2026
20.6 °C
Climate (2021–2026)
Noarlunga (3km)
Average Low 2021–2026
12.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
21.9 °C