Port Bonython Weather Forecast
- 11
- 20
Partly cloudy
- 12
- 20
Partly cloudy
- 11
- 20
Cloud clearing
- 10
- 28
Sunny
- 15
- 26
Shower or two
- 16
- 29
Mostly sunny
- 14
- 24
Partly cloudy
Today 9 Nov Whyalla
Partly cloudy. Slight chance of a shower. Winds south to southeasterly 25 to 35 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo during the afternoon and evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 2 metres inshore during the afternoon.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
Port Bonython Temperature Statistics View More
November Temperature
Whyalla Airport (24km)
Lowest 5 November, 2025
7 °CAverage November
17.3 °CHighest 1 November, 2025
30.3 °C
Climate (2020–Present)
Whyalla Airport (24km)
Average Low 2020–2025
11.9 °CAverage 2020–2025
17.5 °CAverage High 2020–2025
23.8 °C