Port of Whyalla Weather Forecast
- 11
- 20
Mostly clear
- 10
- 20
Shower or two
- 9
- 21
Possible shower
- 9
- 20
Partly cloudy
- 9
- 20
Sunny
- 7
- 20
Partly cloudy
- 9
- 19
Partly cloudy
Today 17 May Whyalla
Mostly clear. Slight chance of a shower, most likely later tonight. Winds southerly 15 to 20 km/h becoming light in the evening then becoming southerly 15 to 20 km/h in the late evening.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots tending south to southeasterly during the afternoon and evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A ridge of high pressure builds in the west. A cold front will move over the south late Monday and early Tuesday, followed by a high pressure system, which will linger in the Bight midweek.
Port of Whyalla Temperature Statistics View More
May Temperature
Whyalla Airport (8km)
Lowest 11 May, 2026
5.5 °CAverage May
15.9 °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