Back Beach Weather Forecast
- 21
- 30
Windy. Cloud clearing
- 16
- 27
Becoming windy. Mostly sunny
- 14
- 27
Becoming windy. Sunny
- 15
- 33
Sunny
- 18
- 39
Sunny
- 21
- 43
Mostly sunny
- 25
- 41
Partly cloudy
Today 13 Dec Flinders
Partly cloudy. The chance of a thunderstorm during the morning and afternoon. Winds south to southwesterly 30 to 45 km/h. Daytime maximum temperatures 30 to 36.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 25 knots turning southwesterly in the late morning. Winds reaching up to 30 knots north of Cowell to Wallaroo during the day.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- The chance of a thunderstorm this morning. Mostly sunny afternoon.
- Weather Situation
- A slow moving broad high pressure system in the Indian Ocean will build a ridge across coastal waters on today and establish itself south of the Bight on Sunday and Monday. The high is forecast to move east into the Tasman Sea on Tuesday while maintaining a ridge over coastal waters.
Back Beach Temperature Statistics View More
December Temperature
Port Augusta Airport (5km)
Lowest 2 December, 2025
12.1 °CAverage December
25.5 °CHighest 4 December, 2025
40.2 °C
Climate (2020–Present)
Port Augusta Airport (5km)
Average Low 2020–2025
12.4 °CAverage 2020–2025
18.8 °CAverage High 2020–2025
26.1 °C