Whyalla Weather Forecast
- 13
- 25
Mostly sunny
- 14
- 22
Partly cloudy
- 13
- 22
Partly cloudy
- 13
- 25
Cloudy
- 17
- 31
Shower or two
- 19
- 32
Mostly sunny
- 17
- 28
Shower or two
Today 18 Nov Whyalla
Mostly sunny. Winds westerly 15 to 20 km/h becoming light in the morning then becoming south to southeasterly 25 to 35 km/h in the middle of the day.
Spencer Gulf Coastal Waters
- Wind
- Westerly 10 to 15 knots turning south to southwesterly 15 to 20 knots in the early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo by early evening.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure lies over the north and west directing a broad southwest to southerly flow across SA waters. Troughs are forecast to pass over the southeast today and Wednesday. The flow will turn south to southeasterly through the week as the ridge moves southeast on Thursday to be south of the state on Friday.
Whyalla Temperature Statistics View More
November Temperature
Whyalla Airport (6km)
Lowest 12 November, 2025
5.1 °CAverage November
17.5 °CHighest 1 November, 2025
30.3 °C
Climate (2020–Present)
Whyalla Airport (6km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C