Weeroona Island Weather Forecast
- 7
- 20
Clear
- 5
- 20
Becoming cloudy
- 9
- 18
Partly cloudy
- 5
- 21
Sunny
- 5
- 23
Sunny
- 9
- 25
Mostly sunny
- 13
- 29
Sunny
Today 7 Sep Mid North
Mostly clear. Winds southeasterly 15 to 20 km/h becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- Southeasterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo in the late afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system, centred southwest of WA, extends a ridge across the south of SA. The main high centre will move across waters to the south throughout the week to be centred to the east of SA from late Thursday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of the state at times.
Weeroona Island Temperature Statistics View More
September Temperature
Whyalla Airport (48km)
Lowest 6 September, 2026
3.8 °CAverage September
14.4 °CHighest 1 September, 2026
27.7 °C
Climate (2021–2026)
Whyalla Airport (48km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C