Rosetown Weather Forecast
- 3
- 18
Clear
- 6
- 18
Partly cloudy
- 9
- 17
Shower
- 7
- 16
Partly cloudy
- 3
- 18
Partly cloudy
- 8
- 20
Shower
- 10
- 17
Shower
Today 20 Aug Lower South East
Clear. Winds northeasterly 15 to 25 km/h.
Upper South East Coastal Waters
Murray Mouth to Cape Jaffa- Wind
- Northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres offshore.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system east of Tasmania maintains a ridge across SA, ahead of a weak cold front moving across the Bight on Thursday and the southeastern coastal waters on Friday. Another high will extend a ridge over SA late Friday before becoming established in the Bight on Saturday, as another weak cold front clips the southeast.
Rosetown Temperature Statistics View More
August Temperature
Cape Jaffa (20km)
Lowest 2 August, 2025
2.6 °CAverage August
10.6 °CHighest 10 August, 2025
18.8 °C
Climate (2020–Present)
Cape Jaffa (20km)
Average Low 2020–2025
10.5 °CAverage 2020–2025
14.4 °CAverage High 2020–2025
19.3 °C