Spencer Gulf Weather Forecast
- 14
- 17
Partly cloudy
- 13
- 16
Sunny
- 13
- 18
Sunny
- 16
- 22
Partly cloudy
- 15
- 17
Shower
- 14
- 17
Partly cloudy
- 15
- 18
Shower
Today 29 Aug Flinders
Sunny. Winds east to southeasterly 15 to 20 km/h becoming light in the early morning then becoming east to southeasterly 15 to 25 km/h in the morning. Daytime maximum temperatures between 18 and 22.
Spencer Gulf Coastal Waters
- Wind
- East to southeasterly about 10 knots tending south to southeasterly 10 to 15 knots in the late afternoon.
- 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
- Sunny.
- Weather Situation
- Over the weekend, a high pressure system to the south of SA is forecast to continue extending a ridge across the state, as it moves slowly east, to be centred over Victoria by Monday. A cold front is then forecast to move across the state on Tuesday, as another ridge pushes in behind the front.
Spencer Gulf Temperature Statistics View More
August Temperature
Whyalla Airport (38km)
Lowest 1 August, 2026
-0.4 °CAverage August
12.5 °CHighest 27 August, 2026
21.7 °C
Climate (2021–2026)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
23.8 °C