Whyalla Weather Forecast
- 8
- 18
Clear
- 4
- 21
Sunny
- 7
- 23
Mostly sunny
- 6
- 23
Becoming windy. Sunny
- 11
- 19
Shower or two. Windy
- 8
- 19
Partly cloudy
- 9
- 17
Partly cloudy
Today 22 May Whyalla
Clear. Winds southerly 15 to 20 km/h becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- South to southeasterly 10 to 15 knots tending easterly about 10 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Clear.
- Weather Situation
- A high pressure system centred over the Tasman Sea extends a ridge over SA coastal waters. The ridge will move eastwards on Friday as a cold front approaches from the west. A series of vigorous cold fronts are expected to move over from the west over the weekend and early next week. A slow-moving high pressure system will become established south of the Bight mid next week.
Whyalla Temperature Statistics View More
May Temperature
Whyalla Airport (6km)
Lowest 20 May, 2025
0.6 °CAverage May
14.6 °CHighest 5 May, 2025
29.4 °C
Climate (2020–Present)
Whyalla Airport (6km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
23.8 °C