Thompson Beach Weather Forecast
- 20
- 31
Shower
- 21
- 26
Storm
- 21
- 26
Rain
- 20
- 23
Shower
- 17
- 23
Cloudy
- 16
- 24
Cloudy
- 15
- 26
Partly cloudy
Today 27 Feb Mid North
Partly cloudy. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm during this afternoon and evening, possibly severe with heavy rain which may lead to flash flooding. Light winds becoming east to northeasterly 15 to 20 km/h in the morning. Daytime maximum temperatures around 30.
Gulf St Vincent Coastal Waters
- Wind
- Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the middle of the day then tending east to southeasterly in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- A high pressure centre over waters to the south of SA will move into the Tasman Sea during today. A tropical low pressure system centred over the southeast of the NT extends a trough into the northeast of SA. This low is expected to remain near stationary today, after which it is expected to move southwards on Saturday. The associated trough is then expected to move east northeastwards on Sunday and Monday as a new high pressure system moves in from the west.
Thompson Beach Temperature Statistics View More
February Temperature
Roseworthy (35km)
Lowest 2 February, 2026
7.7 °CAverage February
23.4 °CHighest 10 February, 2026
39.2 °C
Climate (2021–Present)
Roseworthy (35km)
Average Low 2021–2026
9.8 °CAverage 2021–2026
16.3 °CAverage High 2021–2026
23.7 °C