Whyalla Marina Weather Forecast
- 7
- 19
Partly cloudy
- 6
- 19
Sunny
- 8
- 21
Partly cloudy
- 6
- 15
Shower or two
- 6
- 16
Partly cloudy
- 5
- 17
Partly cloudy
- 6
- 18
Shower or two
Today 11 Jul Whyalla
Partly cloudy. Slight chance of a shower. Winds northwesterly 15 to 20 km/h tending westerly in the middle of the day then becoming light in the early afternoon.
Spencer Gulf Coastal Waters
- Wind
- West to northwesterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the morning and early afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre by early evening.
- 1st Swell
- South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system will move across the north of SA today. The high will be centred over eastern NSW on Saturday but will maintain a ridge over SA. A series of cold fronts will move across the State during Sunday and Monday then another high will move across the north mid next week. A cold front will move across from the west next Thursday.
Whyalla Marina Temperature Statistics View More
July Temperature
Whyalla Airport (6km)
Lowest 1 July, 2025
0.4 °CAverage July
11.9 °CHighest 3 July, 2025
21.4 °C
Climate (2020–Present)
Whyalla Airport (6km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C