Port Bonython Weather Forecast
- 17
- 31
Mostly clear
- 18
- 39
Possible storm
- 15
- 29
Sunny
- 16
- 25
Sunny
- 13
- 24
Partly cloudy
- 13
- 27
Shower or two
- 14
- 23
Cloud clearing
Today 23 Nov Whyalla
Mostly clear. Slight chance of a shower. The chance of a thunderstorm later tonight. Winds southeasterly 20 to 25 km/h tending southerly 20 to 30 km/h in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- Southeast to southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo during the afternoon and evening. Winds tending east to southeasterly in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- Mostly clear. The chance of a thunderstorm later this evening.
- Weather Situation
- A southeasterly flow prevails over coastal waters as a low pressure system moves into the west Sunday afternoon and evening. The low moves eastwards on Monday to reach Bass Strait in the evening. A another low and trough will move over waters to the south on Tuesday. A cold front will move over southeastern waters on Wednesday.
Port Bonython Temperature Statistics View More
November Temperature
Whyalla Airport (24km)
Lowest 12 November, 2025
5.1 °CAverage November
17.8 °CHighest 1 November, 2025
30.3 °C
Climate (2020–Present)
Whyalla Airport (24km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
23.7 °C