Thompson Beach Weather Forecast
- 15
- 28
Clear
- 16
- 30
Partly cloudy
- 17
- 23
Shower
- 11
- 22
Partly cloudy
- 11
- 22
Partly cloudy
- 12
- 23
Sunny
- 11
- 25
Sunny
Today 30 Mar Mid North
Clear. Light winds.
Gulf St Vincent Coastal Waters
- Wind
- North to northeasterly about 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southeast to southwesterly below 0.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system over the Tasman sea extends a weak ridge over SA. A trough over central WA extends over southwest SA, and is forecast to move across the west and south later Tuesday, pushing into the northeast of SA on Wednesday. Another high pressure system is expected to become established south of the Bight late in the week.
Thompson Beach Temperature Statistics View More
March Temperature
Roseworthy (35km)
Lowest 27 March, 2026
5.3 °CAverage March
19.7 °CHighest 10 March, 2026
36.1 °C
Climate (2021–Present)
Roseworthy (35km)
Average Low 2021–2026
9.8 °CAverage 2021–2026
16.3 °CAverage High 2021–2026
23.7 °C