South Neptune Islands Weather Forecast
- 17
- 23
Sunny
- 21
- 23
Windy
- 18
- 21
Partly cloudy
- 20
- 24
Sunny
- 20
- 22
Windy
- 18
- 18
Windy
- 18
- 19
Partly cloudy
Today 23 Jan Lower Eyre Peninsula
Sunny. Winds north to northeasterly 20 to 30 km/h tending northwest to southwesterly 15 to 25 km/h in the early afternoon then tending east to northeasterly in the evening. Daytime maximum temperatures in the mid to high 30s.
Central Coastal Waters
- Wind
- Northeasterly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres in the west later in the evening.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early 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.
South Neptune Islands Temperature Statistics View More
January Temperature
Cape Borda (64km)
Lowest 22 January, 2026
9 °CAverage January
18.1 °CHighest 7 January, 2026
38 °C
Climate (2021–Present)
Cape Borda (64km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
14.9 °CAverage High 2021–2026
18.9 °C