Cape Thomas Weather Forecast
- 14
- 16
Showers. Windy
- 10
- 15
Showers. Windy
- 10
- 14
Shower or two
- 9
- 14
Shower or two
- 8
- 15
Shower or two
- 11
- 15
Showers easing
- 7
- 12
Cloudy
Today 18 Jun Lower South East
Cloudy. High chance of showers near the coast, medium chance elsewhere. Winds northerly 25 to 30 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northwesterly 20 to 30 knots, reaching up to 35 knots south of Beachport.
- Seas
- 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
- 1st Swell
- Southwesterly 1.5 metres.
- Weather
- Cloudy. 80% chance of showers.
- Weather Situation
- A low pressure system south of the Bight will drift to the south east while a trough extends across western coasts late on Thursday. This trough will linger along the coastline into Friday, developing into the cold front that will clear into the east early Saturday. A high pressure system will begin to move in from the west on Saturday, cross the Bight, slowly drifting to eastern SA by Monday.
Cape Thomas Temperature Statistics View More
June Temperature
Robe (10km)
Lowest 10 June, 2026
6.5 °CAverage June
14.3 °CHighest 12 June, 2026
19.8 °C
Climate (2021–2026)
Robe (10km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
15.9 °CAverage High 2021–2026
18.5 °C