Mullaquana Weather Forecast
- 7
- 27
Clear
- 9
- 23
Sunny
- 8
- 18
Cloudy
- 8
- 21
Partly cloudy
- 9
- 18
Possible shower
- 8
- 17
Cloud clearing
- 7
- 19
Sunny
Today 18 Sep Whyalla
Mostly sunny. Winds northerly 20 to 30 km/h shifting southwesterly 15 to 20 km/h in the late evening.
Spencer Gulf Coastal Waters
- Wind
- Northwest to northeasterly 10 to 15 knots tending west to southwesterly in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly around 1 metre south of Cowell to Wallaroo.
- Weather
- Clear.
- Weather Situation
- A high pressure system lies over the Tasman Sea with a ridge extending into the east of the state. A weak trough over South Australian waters will continue moving through eastern waters tonight. A cold front will pass over the south during Friday afternoon with a southwesterly flow persisting through the weekend as a ridge of high pressure extends over northern parts of the state.
Mullaquana Temperature Statistics View More
September Temperature
Whyalla Airport (2km)
Lowest 1 September, 2025
2.8 °CAverage September
15.3 °CHighest 6 September, 2025
33.8 °C
Climate (2020–Present)
Whyalla Airport (2km)
Average Low 2020–2025
11.9 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C