Spencer Gulf Weather Forecast
- 17
- 20
Partly cloudy
- 17
- 20
Partly cloudy
- 18
- 20
Shower
- 17
- 18
Shower
- 16
- 18
Shower
- 15
- 18
Shower
- 15
- 18
Partly cloudy
Today 13 May Flinders
Partly cloudy. Slight chance of a shower, most likely this afternoon. The chance of a thunderstorm west of the ranges in the late morning and afternoon. Winds easterly 20 to 30 km/h. Daytime maximum temperatures between 19 and 24.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming easterly 10 to 15 knots in the evening then tending northeasterly in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- Mostly sunny. The chance of a thunderstorm north of Cowell to Wallaroo in the late morning and afternoon.
- Weather Situation
- A strong high pressure system near Tasmania is slowly moving east, reaching the Tasman Sea later today. A trough of low pressure moves into the far west late on Friday and continues across SA over the weekend.
Spencer Gulf Temperature Statistics View More
May Temperature
Whyalla Airport (38km)
Lowest 11 May, 2026
5.5 °CAverage May
15.4 °CHighest 1 May, 2026
30.7 °C
Climate (2021–Present)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C