Nene Valley Weather Forecast
- 7
- 19
Cloudy
- 11
- 19
Shower
- 7
- 16
Shower
- 4
- 18
Partly cloudy
- 9
- 21
Shower
- 12
- 18
Shower
- 8
- 14
Shower
Today 21 Aug Lower South East
Becoming cloudy. Winds north to northeasterly 20 to 30 km/h. Daytime maximum temperatures around 19.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots offshore during the morning and early afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Becoming cloudy.
- Weather Situation
- A high pressure system east of Tasmania maintains a ridge across eastern SA, ahead of a weak cold front moving across the Bight today 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.
Nene Valley Temperature Statistics View More
August Temperature
Mount Gambier Airport (35km)
Lowest 2 August, 2025
0 °CAverage August
9.4 °CHighest 10 August, 2025
18.7 °C
Climate (2020–Present)
Mount Gambier Airport (35km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.7 °CAverage High 2020–2025
20 °C