Spencer Gulf Weather Forecast
- 20
- 22
Shower
- 20
- 26
Storm
- 17
- 19
Storm
- 15
- 18
Partly cloudy
- 15
- 20
Shower
- 19
- 22
Shower
- 17
- 20
Shower
Today 20 Oct Flinders
Partly cloudy. Slight chance of a shower near the coast, most likely in the evening. Near zero chance of rain elsewhere. The chance of a thunderstorm west of the ranges in the evening. Winds northwest to northeasterly 15 to 25 km/h tending northeast to southeasterly before dawn then tending southeast to southwesterly 25 to 35 km/h in the middle of the day. Overnight temperatures falling to between 15 and 23 with daytime temperatures reaching 31 to 39.
Spencer Gulf Coastal Waters
- Wind
- South to southeasterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres north of Cowell to Wallaroo around midday.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- Cloudy. 70% chance of showers. The chance of a thunderstorm.
Spencer Gulf Temperature Statistics View More
October Temperature
Whyalla Airport (38km)
Lowest 3 October, 2025
6.1 °CAverage October
18 °CHighest 16 October, 2025
38 °C
Climate (2020–Present)
Whyalla Airport (38km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C