Mullaquana Weather Forecast
- 9
- 18
Partly cloudy
- 8
- 18
Becoming cloudy
- 9
- 16
Partly cloudy
- 7
- 18
Sunny
- 7
- 20
Sunny
- 8
- 25
Mostly sunny
- 14
- 27
Sunny
Today 7 Sep Whyalla
Partly cloudy. Winds southeasterly 15 to 25 km/h tending southeast to southwesterly 20 to 30 km/h in the middle of the day then becoming southeasterly 15 to 20 km/h in the late evening.
Spencer Gulf Coastal Waters
- Wind
- Southerly 10 to 15 knots tending southeasterly in the early morning. Winds reaching up to 20 knots north of Cowell to Wallaroo in the late afternoon.
- Seas
- Around 1 metre.
- 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
- The tail end of a cold front will move across southern coasts early Monday then a high pressure system centred southwest of WA will extend a ridge across the south of SA. The main high centre will move to the east of SA late Thursday and Friday. A trough over the interior of WA will remain stationary for most of the week.
Mullaquana Temperature Statistics View More
September Temperature
Whyalla Airport (2km)
Lowest 6 September, 2026
3.8 °CAverage September
14.4 °CHighest 1 September, 2026
27.7 °C
Climate (2021–2026)
Whyalla Airport (2km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C