False Bay Weather Forecast
- 13
- 33
Clear
- 17
- 30
Sunny
- 17
- 32
Partly cloudy
- 19
- 34
Partly cloudy
- 20
- 38
Partly cloudy
- 18
- 28
Becoming windy. Partly cloudy
- 15
- 26
Becoming windy. Partly cloudy
Today 8 Dec Whyalla
Clear. Winds southeasterly 20 to 30 km/h tending southerly 25 to 35 km/h in the evening.
Spencer Gulf Coastal Waters
- Wind
- Southeast to southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo in the evening. Winds decreasing to about 10 knots in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo by early evening.
- 1st Swell
- South to southwesterly around 1 metre south of Cowell to Wallaroo.
- Weather
- Clear.
- Weather Situation
- A broad ridge extends over inland parts of the state while a weak cold front clips the southeast late Monday. From Tuesday another high pressure system develops south of the Bight, strengthening the ridge over the state ahead of a trough of low pressure developing across the far northwest late Tuesday persisting late into the week.
False Bay Temperature Statistics View More
December Temperature
Whyalla Airport (18km)
Lowest 2 December, 2025
10.2 °CAverage December
20.8 °CHighest 4 December, 2025
40.7 °C
Climate (2020–Present)
Whyalla Airport (18km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
23.7 °C