Port of Whyalla Weather Forecast
- 12
- 24
Partly cloudy
- 12
- 22
Partly cloudy
- 11
- 24
Partly cloudy
- 11
- 29
Sunny
- 16
- 34
Partly cloudy
- 14
- 27
Partly cloudy
- 13
- 28
Showers
Today 25 Sep Whyalla
Partly cloudy. Winds southeast to southwesterly 15 to 25 km/h.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots tending south to southeasterly during the afternoon and evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- Partly cloudy. The chance of a thunderstorm near the Eyre Peninsula coast in the afternoon and evening.
- Weather Situation
- A low pressure trough extends from WA over western SA. This trough will be very slow-moving for the rest of this week and over the weekend. A weakening cold front will slip across southern coasts during today. Another low pressure trough will develop over WA on Sunday and Monday then move over SA early to mid next week.
Port of Whyalla Temperature Statistics View More
September Temperature
Whyalla Airport (8km)
Lowest 11 September, 2026
3.4 °CAverage September
15.3 °CHighest 20 September, 2026
32.9 °C
Climate (2021–2026)
Whyalla Airport (8km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
23.8 °C