Port of Whyalla Weather Forecast
- 16
- 25
Windy. Clear
- 16
- 30
Becoming windy. Sunny
- 18
- 37
Sunny
- 21
- 43
Sunny
- 22
- 41
Sunny
- 23
- 40
Becoming windy. Partly cloudy
- 19
- 26
Possible shower. Windy
Today 4 Jan Whyalla
Sunny. Winds southerly 30 to 45 km/h.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 15 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening. Winds tending south to southeasterly in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
- 1st Swell
- South to southwesterly around 1 metre.
- Weather
- Cloud clearing.
- Weather Situation
- A high pressure system centred south of SA extends a ridge over most of the state and a broad trough lingers over the far northeast. These features will remain relatively stationary over the weekend then the high will move eastwards early next week. A broad trough will move across from the west mid next week.
Port of Whyalla Temperature Statistics View More
January Temperature
Whyalla Airport (8km)
Lowest 2 January, 2026
15.9 °CAverage January
21.7 °CHighest 2 January, 2026
31.6 °C
Climate (2021–Present)
Whyalla Airport (8km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
17.4 °CAverage High 2021–2026
23.7 °C