Whyalla Weather Forecast
- 5
- 16
Possible shower
- 7
- 15
Showers
- 5
- 16
Mostly sunny
- 5
- 18
Mostly sunny
- 5
- 20
Sunny
- 9
- 21
Cloudy
- 11
- 21
Partly cloudy
Today 16 Aug Whyalla
Mostly sunny morning. Medium chance of showers, most likely in the evening. Winds west to southwesterly 15 to 20 km/h tending southerly in the middle of the day then tending west to northwesterly in the evening.
Spencer Gulf Coastal Waters
- Wind
- Southwesterly 15 to 20 knots turning westerly in the morning. Winds reaching up to 25 knots south of Cowell to Wallaroo in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres later in the evening.
- 1st Swell
- South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A high pressure ridge will begin to push in from the western waters before moving into the Bight late Sunday. A weak cold front will pass over southern coasts late on Saturday with the associated low pressure system moving over the south east on Sunday morning. The high in the Bight will begin moving towards Tasmania early next week, continuing to extend a ridge over coastal waters.
Whyalla Temperature Statistics View More
August Temperature
Whyalla Airport (6km)
Lowest 2 August, 2025
1.9 °CAverage August
12 °CHighest 11 August, 2025
23.7 °C
Climate (2020–Present)
Whyalla Airport (6km)
Average Low 2020–2025
11.9 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C