Port of Whyalla Weather Forecast
- 7
- 15
Rain then mostly sunny
- 5
- 17
Partly cloudy
- 6
- 16
Shower or two
- 5
- 17
Partly cloudy
- 5
- 18
Partly cloudy
- 4
- 17
Mostly sunny
- 6
- 18
Shower or two. Becoming windy
Today 15 Jul Whyalla
Very high chance of rain, most likely in the morning. Sunny afternoon. Winds southeasterly 15 to 25 km/h tending southerly in the middle of the day then becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- Southeast to southwesterly 10 to 15 knots tending southwesterly in the morning then tending westerly in the late afternoon.
- 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
- Partly cloudy. 60% chance of showers.
- Weather Situation
- A low pressure system will move eastwards across the pastoral districts during Tuesday. A high pressure ridge will move across the north mid-week and a cold front will move across the south on Thursday morning. Another cold front is expected to move across on Saturday.
Port of Whyalla Temperature Statistics View More
July Temperature
Whyalla Airport (8km)
Lowest 1 July, 2025
0.4 °CAverage July
12 °CHighest 3 July, 2025
21.4 °C
Climate (2020–Present)
Whyalla Airport (8km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C