Prime Beach Weather Forecast
- 11
- 18
Shower
- 11
- 19
Shower
- 8
- 19
Partly cloudy
- 8
- 20
Partly cloudy
- 10
- 19
Cloudy
- 9
- 19
Shower
- 9
- 18
Shower
Today 19 May Mid North
Partly cloudy. High chance of showers, most likely during the morning and afternoon. Winds west to northwesterly 15 to 25 km/h turning southwesterly 20 to 30 km/h during the morning then decreasing to 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 15 and 19.
Gulf St Vincent Coastal Waters
- Wind
- Westerly 10 to 15 knots turning southwesterly in the early morning. Winds reaching up to 20 knots north of Port Vincent to Brighton in the late morning.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly below 0.5 metres.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A ridge of high pressure lies across SA. A cold front clipped the southeast this morning, followed by a high pressure system which becomes dominant. The high is expected to move into the Tasman Sea by Friday as a cold front moves across the Bight.
Prime Beach Temperature Statistics View More
May Temperature
Roseworthy (32km)
Lowest 10 May, 2026
6.4 °CAverage May
15.6 °CHighest 1 May, 2026
31.1 °C
Climate (2021–Present)
Roseworthy (32km)
Average Low 2021–2026
9.9 °CAverage 2021–2026
16.3 °CAverage High 2021–2026
23.7 °C