Longs Rock Weather Forecast
- 17
- 28
Windy
- 15
- 21
Windy
- 13
- 21
Partly cloudy
- 10
- 28
Sunny
- 18
- 35
Partly cloudy
- 15
- 25
Partly cloudy
- 13
- 30
Sunny
Today 20 Jan Lower South East
Clear. Winds southerly 25 to 35 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southeasterly 15 to 20 knots, reaching up to 25 knots inshore in the late afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres inshore.
- 1st Swell
- Southwesterly 1.5 metres, increasing to 2 metres by early evening.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system south of WA maintains a ridge over coastal waters. The high will start to move eastwards on Thursday to be in the Tasman Sea on Friday, whilst a trough of low pressure approaches from the west. The trough will move over SA on Saturday reaching the northeast in the evening, followed by another high pressure system moving over waters to the south.
Longs Rock Temperature Statistics View More
January Temperature
Mount Gambier Airport (39km)
Lowest 1 January, 2026
6.9 °CAverage January
18.6 °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