Spencer Gulf Weather Forecast
- 12
- 15
Shower
- 14
- 15
Shower
- 12
- 14
Shower
- 11
- 14
Partly cloudy
- 11
- 14
Partly cloudy
- 12
- 15
Partly cloudy
- 12
- 14
Cloudy
Today 18 Jun Flinders
Cloudy. Slight chance of a shower, most likely later tonight. Winds northwesterly 25 to 40 km/h.
Spencer Gulf Coastal Waters
- Wind
- North to northwesterly 20 to 30 knots tending west to northwesterly in the evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- Cloudy. 80% chance of showers south of Cowell to Wallaroo, 50% chance elsewhere.
- Weather Situation
- A low pressure system south of the Bight will drift to the south east while a trough extends across western coasts late on Thursday. This trough will linger along the coastline into Friday, developing into the cold front that will clear into the east early Saturday. A high pressure system will begin to move in from the west on Saturday, cross the Bight, slowly drifting to eastern SA by Monday.
Spencer Gulf Temperature Statistics View More
June Temperature
Whyalla Airport (38km)
Lowest 8 June, 2026
3.2 °CAverage June
14.3 °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