Weeroona Bay Weather Forecast
- 7
- 19
Becoming cloudy
- 10
- 17
Partly cloudy
- 8
- 19
Mostly sunny
- 8
- 21
Sunny
- 11
- 26
Partly cloudy
- 15
- 28
Mostly sunny
- 13
- 24
Shower or two
Today 8 Sep Whyalla
Becoming cloudy. Light winds becoming southeasterly 15 to 25 km/h in the middle of the day then tending southerly 25 to 30 km/h in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming southerly 15 to 20 knots in the early afternoon. Winds reaching up to 25 knots south of Cowell to Wallaroo in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres later in the evening.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- 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 Bay Temperature Statistics View More
September Temperature
Whyalla Airport (23km)
Lowest 6 September, 2026
3.8 °CAverage September
14.6 °CHighest 1 September, 2026
27.7 °C
Climate (2021–2026)
Whyalla Airport (23km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C