Port of Whyalla Weather Forecast
- 21
- 27
Mostly clear
- 16
- 23
Partly cloudy
- 14
- 25
Mostly sunny
- 16
- 27
Sunny
- 17
- 28
Partly cloudy
- 19
- 25
Shower or two
- 17
- 28
Shower or two
Today 11 Mar Whyalla
Clear. Winds southerly 30 to 40 km/h.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 20 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening. Winds tending south to southeasterly 15 to 20 knots in the evening.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
- Weather
- Clear.
- Weather Situation
- A ridge of high pressure is building across southern SA behind a trough over the north. The ridge will shift south of SA over the Southern Ocean later this week and remain there over the weekend. A trough over inland WA is expected to move into western SA over the weekend.
Port of Whyalla Temperature Statistics View More
March Temperature
Whyalla Airport (8km)
Lowest 10 March, 2026
13.2 °CAverage March
20.4 °CHighest 5 March, 2026
26.6 °C
Climate (2021–Present)
Whyalla Airport (8km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C