Onkaparinga River Entrance Weather Forecast
- 12
- 17
Mostly clear
- 9
- 16
Partly cloudy
- 8
- 17
Mostly sunny
- 10
- 19
Partly cloudy
- 10
- 19
Partly cloudy
- 9
- 18
Partly cloudy
- 10
- 19
Sunny
Today 25 Aug Adelaide
Partly cloudy. Slight chance of a shower about the hills early this evening. Near zero chance of rain elsewhere. Winds southerly 20 to 30 km/h becoming light in the late evening.
Adelaide Metropolitan Waters
- Wind
- Southwesterly 15 to 20 knots turning southerly in the late afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre later in the evening.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system is moving in from the west and will be centred over central SA on Wednesday, the high will continue moving to the east while extending a ridge over SA on Thursday. A low pressure trough is then forecast to approach and linger about western parts late on Thursday until early Saturday. Another high then moves across waters to the south, extending a ridge across much of the state over the weekend.
Onkaparinga River Entrance Temperature Statistics View More
August Temperature
Noarlunga (3km)
Lowest 5 August, 2026
4.2 °CAverage August
12.7 °CHighest 18 August, 2026
20.1 °C
Climate (2021–2026)
Noarlunga (3km)
Average Low 2021–2026
12.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
21.9 °C