Whyalla Weather Forecast
- 13
- 21
Cloud clearing
- 11
- 23
Mostly sunny
- 13
- 30
Partly cloudy
- 15
- 26
Sunny
- 14
- 30
Sunny
- 18
- 33
Shower or two
- 12
- 22
Shower or two
Today 28 Oct Whyalla
Cloud clearing. Winds southeasterly 20 to 25 km/h tending southerly 25 to 35 km/h in the morning.
Spencer Gulf Coastal Waters
- Wind
- South to southeasterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A slow moving high pressure system to the south will continue to extend a ridge over coastal waters until a trough enters from the west early Thursday. This trough will sweep across waters through Thursday and early Friday before a new high pressure system moves into the Bight.
Whyalla Temperature Statistics View More
October Temperature
Whyalla Airport (6km)
Lowest 3 October, 2025
6.1 °CAverage October
18.2 °CHighest 16 October, 2025
38 °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