Spencer Gulf Weather Forecast
- 12
- 14
Clear
- 11
- 14
Partly cloudy
- 11
- 14
Cloudy
- 12
- 15
Partly cloudy
- 12
- 15
Partly cloudy
- 12
- 15
Partly cloudy
- 12
- 15
Partly cloudy
Today 21 Jun Flinders
Clear. Light winds.
Spencer Gulf Coastal Waters
- Wind
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system centred south of SA will move slowly eastwards during Sunday and Monday to be centred over NSW later Monday. A cold front will move across southern coastal districts late Tuesday or early Wednesday then a new high will move across waters to the south mid-week to be centred over Tasmania on Thursday.
Spencer Gulf Temperature Statistics View More
June Temperature
Whyalla Airport (38km)
Lowest 8 June, 2026
3.2 °CAverage June
13.9 °CHighest 12 June, 2026
25.9 °C
Climate (2021–2026)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
23.8 °C