Longs Rock Weather Forecast
- 15
- 19
Windy
- 13
- 21
Partly cloudy
- 9
- 29
Sunny
- 17
- 36
Windy
- 15
- 25
Windy
- 12
- 32
Sunny
- 19
- 29
Partly cloudy
Today 21 Jan Lower South East
Partly cloudy. Winds southerly 25 to 40 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southerly 20 to 25 knots.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- Southwesterly 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system south of WA maintains a ridge over western and southern SA, before it is expected to move eastwards on Thursday to be over the Tasman Sea on Friday. A trough of low pressure approaches from the west on Friday, forecast to move over SA during Saturday, reaching the northeast by early Sunday. Another high pressure system is expected to move over waters to the south over the weekend.
Longs Rock Temperature Statistics View More
January Temperature
Mount Gambier Airport (39km)
Lowest 1 January, 2026
6.9 °CAverage January
18.8 °CHighest 7 January, 2026
41.6 °C
Climate (2021–Present)
Mount Gambier Airport (39km)
Average Low 2021–2026
8.8 °CAverage 2021–2026
13.6 °CAverage High 2021–2026
20 °C