False Bay Weather Forecast
- 14
- 31
Sunny
- 16
- 37
Sunny
- 20
- 41
Sunny
- 24
- 38
Mostly sunny
- 18
- 29
Partly cloudy
- 17
- 28
Shower or two
- 15
- 26
Cloud clearing
Today 16 Dec Whyalla
Sunny. Winds southerly 15 to 20 km/h tending southeasterly 15 to 25 km/h in the early morning then tending southeast to southwesterly in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- East to southeasterly 10 to 15 knots tending southeast to southwesterly in the early afternoon then tending southeasterly in the late evening. Winds reaching up to 20 knots north of Cowell to Wallaroo in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Sunny.
- Weather Situation
- A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
False Bay Temperature Statistics View More
December Temperature
Whyalla Airport (18km)
Lowest 2 December, 2025
10.2 °CAverage December
21.5 °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