Prime Beach Weather Forecast
- 9
- 17
Shower
- 10
- 15
Rain
- 8
- 14
Shower
- 7
- 17
Shower
- 7
- 15
Shower
- 8
- 16
Shower
- 7
- 16
Cloudy
Today 8 Aug Mid North
Cloudy. Very high chance of showers. Winds northerly 15 to 25 km/h increasing to 20 to 30 km/h in the morning. Daytime maximum temperatures between 13 and 17.
Gulf St Vincent Coastal Waters
- Wind
- Northerly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Port Vincent to Brighton.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- Cloudy. 95% chance of showers.
- Weather Situation
- A weak high pressure system centred over NSW and a cold front approaching from the west result in a northerly airstream over SA this morning. The vigorous cold front will move across the west late Saturday then moving across remaining parts of the State on Sunday. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday.
Prime Beach Temperature Statistics View More
August Temperature
Roseworthy (32km)
Lowest 5 August, 2026
0.8 °CAverage August
9 °CHighest 2 August, 2026
16.4 °C
Climate (2021–2026)
Roseworthy (32km)
Average Low 2021–2026
9.9 °CAverage 2021–2026
16.3 °CAverage High 2021–2026
23.7 °C