Port Bonython Weather Forecast
- 27
- 31
Shower or two. Becoming windy
- 17
- 23
Cloud clearing
- 17
- 28
Sunny
- 19
- 34
Sunny
- 21
- 35
Mostly sunny
- 26
- 33
Showers
- 20
- 26
Shower or two
Today 17 Feb Whyalla
Partly cloudy. High chance of showers, most likely in the late morning and early afternoon. The chance of a thunderstorm in the afternoon. Winds northerly 20 to 30 km/h shifting south to southwesterly 30 to 45 km/h in the middle of the day.
Spencer Gulf Coastal Waters
- Wind
- Northerly 15 to 25 knots shifting south to southwesterly during the morning and early afternoon. Winds reaching up to 30 knots during the afternoon and evening.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo during the afternoon.
- Weather
- Partly cloudy. The chance of a thunderstorm in the morning and afternoon.
Port Bonython Temperature Statistics View More
February Temperature
Whyalla Airport (24km)
Lowest 3 February, 2026
10.8 °CAverage February
24 °CHighest 11 February, 2026
39.2 °C
Climate (2021–Present)
Whyalla Airport (24km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C