Port of Whyalla Weather Forecast
- 9
- 21
Sunny
- 10
- 23
Mostly sunny
- 11
- 23
Partly cloudy
- 12
- 24
Partly cloudy
- 12
- 24
Showers increasing
- 12
- 23
Showers easing
- 10
- 22
Shower or two
Today 11 May Whyalla
Sunny. Light winds becoming south to southeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- Easterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming east to southeasterly 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly around 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A strong high pressure system south of SA is slowly moving east, reaching the Tasman Sea by Wednesday.
Port of Whyalla Temperature Statistics View More
May Temperature
Whyalla Airport (8km)
Lowest 5 May, 2026
8 °CAverage May
15.8 °CHighest 1 May, 2026
30.7 °C
Climate (2021–Present)
Whyalla Airport (8km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C