Spencer Gulf Weather Forecast
- 12
- 15
Partly cloudy
- 12
- 15
Cloudy
- 13
- 15
Cloudy
- 13
- 15
Cloudy
- 13
- 15
Cloudy
- 13
- 16
Shower
- 15
- 17
Shower
Today 12 Aug Flinders
Partly cloudy. Slight chance of a shower south of Hawker, near zero chance elsewhere. Winds southwesterly 20 to 30 km/h becoming light in the evening then becoming westerly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 12 and 16.
Spencer Gulf Coastal Waters
- Wind
- West to southwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre by early evening.
- 1st Swell
- South to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A cold front crossing the eastern parts of SA will continue moving eastwards and cross the rest of the state early today. A ridge of high pressure will then push into SA from the west today, with the associated high moving over SA on Thursday. The high then gradually drifts southwards to be located in vicinity of Tasmania over the weekend, as it continues extending a ridge across SA.
Spencer Gulf Temperature Statistics View More
August Temperature
Whyalla Airport (38km)
Lowest 1 August, 2026
-0.4 °CAverage August
11.6 °CHighest 7 August, 2026
21.4 °C
Climate (2021–2026)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C