Spencer Gulf Weather Forecast
- 13
- 15
Partly cloudy
- 13
- 15
Partly cloudy
- 12
- 17
Partly cloudy
- 14
- 16
Rain
- 14
- 15
Shower
- 13
- 15
Cloudy
- 13
- 18
Partly cloudy
Today 21 Aug Flinders
Mostly clear. Light winds.
Spencer Gulf Coastal Waters
- Wind
- Westerly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system over the Bight slowly drifts over SA on Saturday to be centred over the eastern states by Sunday. A weak front embedded in the southwesterly flow around the high, clips the southeast early Saturday morning. A low pressure system and associated trough move into the far west later Sunday and then moves across the state on Monday an d out over the eastern states by later Tuesday. Another ridge of high pressure moves into the west later Tuesday.
Spencer Gulf Temperature Statistics View More
August Temperature
Whyalla Airport (38km)
Lowest 1 August, 2026
-0.4 °CAverage August
12.4 °CHighest 7 August, 2026
21.4 °C
Climate (2021–2026)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
23.8 °C