Rosetown Weather Forecast
- 10
- 32
Sunny
- 17
- 36
Partly cloudy
- 14
- 33
Partly cloudy
- 15
- 41
Partly cloudy
- 23
- 37
Partly cloudy
- 15
- 29
Partly cloudy
- 13
- 31
Partly cloudy
Today 23 Jan Lower South East
Sunny. Winds easterly 15 to 25 km/h turning north to northeasterly in the morning then tending northeast to southeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low 30s.
Upper South East Coastal Waters
Murray Mouth to Cape Jaffa- Wind
- East to northeasterly 15 to 20 knots tending east to southeasterly 10 to 15 knots in the late afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre around midday.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
- Weather
- Sunny.
- Weather Situation
- A trough of low pressure approaches from the west late today and is forecast to move over southern SA during Saturday, then lingers through inland SA into Sunday. A high pressure system is expected to move over waters to the south over the weekend, extending a ridge over southern SA on Sunday, before a second trough moves in from the west on Monday.
Rosetown Temperature Statistics View More
January Temperature
Cape Jaffa (20km)
Lowest 1 January, 2026
9.1 °CAverage January
18.5 °CHighest 18 January, 2026
36.3 °C
Climate (2021–Present)
Cape Jaffa (20km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
19.3 °C