Rosetown Weather Forecast
- 12
- 20
Windy
- 9
- 20
Cloudy
- 7
- 27
Sunny
- 12
- 33
Sunny
- 14
- 34
Sunny
- 14
- 29
Partly cloudy
- 13
- 27
Partly cloudy
Today 14 Dec Lower South East
Cloudy. Slight chance of a shower this morning. Winds west to southwesterly 25 to 35 km/h increasing to 40 km/h before tending south to southwesterly 20 to 30 km/h in the late morning and afternoon. Daytime maximum temperatures between 17 and 22.
Upper South East Coastal Waters
Murray Mouth to Cape Jaffa- Wind
- Westerly 15 to 20 knots tending southwesterly in the early morning then tending southerly in the evening. Winds reaching up to 25 knots inshore in the afternoon.
- Seas
- 1 to 2 metres.
- 1st Swell
- Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning, then increasing to 3 to 4 metres by early evening.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system south of WA extends a ridge over SA. This will persist as the high slowly moves eastwards into the Bight during today, and out to the Tasman Sea by late Tuesday.
Rosetown Temperature Statistics View More
December Temperature
Cape Jaffa (20km)
Lowest 11 December, 2025
8.4 °CAverage December
16.5 °CHighest 12 December, 2025
33.7 °C
Climate (2020–Present)
Cape Jaffa (20km)
Average Low 2020–2025
10.5 °CAverage 2020–2025
14.4 °CAverage High 2020–2025
19.2 °C