Cape Thomas Weather Forecast
- 10
- 15
Partly cloudy
- 10
- 15
Rain increasing
- 10
- 15
Showers easing
- 10
- 15
Partly cloudy
- 9
- 15
Partly cloudy
- 10
- 16
Partly cloudy
- 9
- 16
Partly cloudy
Today 23 Aug Lower South East
Cloudy. Winds northerly 15 to 20 km/h tending northwesterly in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures around 18.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- North to northwesterly 10 to 15 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre later in the evening.
- 1st Swell
- Southwesterly 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system centred over the Tasman Sea extends a ridge over eastern SA, while a low pressure system and associated trough move into the far west. The low will move across the state on Monday and out over the eastern states by late Tuesday, as another high moves in from the west to be over SA on Wednesday. A second trough approaches the southwest during Thursday afternoon.
Cape Thomas Temperature Statistics View More
August Temperature
Robe (10km)
Lowest 1 August, 2026
4.7 °CAverage August
13 °CHighest 17 August, 2026
18 °C
Climate (2021–2026)
Robe (10km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
16 °CAverage High 2021–2026
18.5 °C