Mills Beach Weather Forecast
- 7
- 26
Partly cloudy
- 9
- 21
Partly cloudy
- 8
- 18
Cloudy
- 9
- 19
Cloudy
- 10
- 17
Cloudy
- 9
- 18
Cloudy
- 8
- 20
Cloudy
Today 18 Sep Eastern Eyre Peninsula
Mostly sunny. Winds northerly 15 to 25 km/h increasing to 25 to 40 km/h in the morning then shifting west to southwesterly 15 to 20 km/h in the late afternoon. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching the high 20s.
Spencer Gulf Coastal Waters
- Wind
- Northerly 15 to 20 knots shifting west to southwesterly 10 to 15 knots in the late afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system lies over NSW with a ridge extending into the east of the state. A weak trough will move over South Australian waters later today, settling over the far northeast tonight before clearing on Friday. 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.
Mills Beach Temperature Statistics View More
September Temperature
Cleve Aerodrome (25km)
Lowest 12 September, 2025
4.2 °CAverage September
13.5 °CHighest 6 September, 2025
30.4 °C
Climate (2020–Present)
Cleve Aerodrome (25km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
16.1 °CAverage High 2020–2025
22.3 °C