Whyalla Marina Weather Forecast
- 12
- 22
Mostly sunny
- 12
- 23
Partly cloudy
- 12
- 21
Becoming windy. Partly cloudy
- 12
- 23
Cloud clearing
- 13
- 33
Mostly sunny
- 20
- 36
Mostly sunny
- 16
- 26
Mostly sunny
Today 29 Nov Whyalla
Mostly sunny. Winds southwesterly 20 to 30 km/h tending southerly 25 to 40 km/h in the middle of the day then tending southwesterly 15 to 20 km/h in the late evening.
Spencer Gulf Coastal Waters
- Wind
- Southwesterly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres near the Yorke Peninsula coast.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A low pressure system and trough move east of South Australia today. In it's wake, a ridge will move over the state from the west and is expected to persist into early next week until the high pressure system moves over SA on Tuesday.
Whyalla Marina Temperature Statistics View More
November Temperature
Whyalla Airport (6km)
Lowest 12 November, 2025
5.1 °CAverage November
18.5 °CHighest 24 November, 2025
38.9 °C
Climate (2020–Present)
Whyalla Airport (6km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
23.7 °C