Whyalla Weather Forecast
- 6
- 17
Sunny
- 4
- 22
Sunny
- 11
- 17
Shower or two
- 6
- 15
Partly cloudy
- 6
- 17
Shower or two
- 6
- 15
Partly cloudy
- 5
- 16
Mostly sunny
Today 13 Aug Whyalla
The chance of fog early this morning. Sunny afternoon. Light winds becoming south to southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- Sunny.
- Weather Situation
- A high pressure system will move across from the west to be centred over the southeast of SA this afternoon. This high will move eastwards during Thursday then the next cold front will reach the far west of SA late Thursday then move across the remainder of the State during Friday. A trough will move across southern coastal districts late Saturday or early Sunday then a high will move across the south early next week.
Whyalla Temperature Statistics View More
August Temperature
Whyalla Airport (6km)
Lowest 2 August, 2025
1.9 °CAverage August
11.8 °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