Port Bonython Weather Forecast
- 12
- 26
Mostly clear
- 13
- 21
Becoming windy. Partly cloudy
- 11
- 26
Mostly sunny
- 16
- 32
Shower or two
- 16
- 25
Becoming windy. Partly cloudy
- 13
- 21
Becoming windy. Partly cloudy
- 12
- 24
Mostly sunny
Today 6 Nov Whyalla
Mostly clear. Winds southeasterly 25 to 30 km/h tending southerly 30 to 40 km/h in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 25 knots.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres by early evening.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- As a cold front clips the southeast Friday, while a high pressure system moves centred well south of Perth extends a ridge over northern and western SA. The high drifts over waters well to the south of SA over the weekend, while a developing low pressure system and trough in WA move close to the SA border. The high drifts southeast of Tasmania by Monday as the low moves across western SA on Monday and northern SA on Tuesday.
Port Bonython Temperature Statistics View More
November Temperature
Whyalla Airport (24 km)
Lowest 5 November, 2026
13.3 °CAverage November
19 °CHighest 1 November, 2026
29.5 °C
Climate (2021–2026)
Whyalla Airport (24 km)
Average Low 2021–2026
12.1 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
23.8 °C