Port Bonython Weather Forecast
- 18
- 28
Shower or two
- 19
- 33
Sunny
- 17
- 24
Shower or two
- 16
- 27
Possible shower
- 19
- 31
Shower or two
- 15
- 20
Possible shower
- 12
- 18
Possible shower
Today 5 Apr Whyalla
Partly cloudy. High chance of showers, most likely in the evening. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then tending northwest to northeasterly in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- East to northeasterly 10 to 15 knots tending north to northeasterly early in the morning.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm south of Cowell to Wallaroo in the late afternoon and evening.
Port Bonython Temperature Statistics View More
April Temperature
Whyalla Airport (24km)
Lowest 2 April, 2026
15 °CAverage April
20.8 °CHighest 2 April, 2026
24.5 °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