Spencer Gulf Weather Forecast
- 12
- 16
Partly cloudy
- 12
- 16
Partly cloudy
- 12
- 14
Shower
- 11
- 13
Shower
- 10
- 13
Partly cloudy
- 10
- 13
Partly cloudy
- 11
- 14
Partly cloudy
Today 20 Jul Flinders
Mostly sunny. Light winds. Daytime maximum temperatures between 16 and 19.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly 10 to 15 knots decreasing to about 10 knots in the middle of the day.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly around 1 metre south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over Victoria extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight by Thursday evening.
Spencer Gulf Temperature Statistics View More
July Temperature
Whyalla Airport (38km)
Lowest 17 July, 2026
0.9 °CAverage July
10.6 °CHighest 18 July, 2026
19.6 °C
Climate (2021–2026)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
23.8 °C