Swan Island Weather Forecast
- 10
- 16
Shower
- 9
- 15
Shower
- 9
- 17
Shower
- 10
- 27
Partly cloudy
- 19
- 30
Partly cloudy
- 11
- 19
Partly cloudy
- 10
- 21
Shower
Today 30 Nov Central
Cloudy. Very high chance of showers. The chance of a thunderstorm during this afternoon and early evening, possibly severe with damaging winds about the ranges. Winds westerly 20 to 30 km/h turning northwesterly 15 to 25 km/h in the late evening. Daytime maximum temperatures between 12 and 17.
Port Phillip Local Waters
- Wind
- Westerly 15 to 20 knots tending northwesterly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm during this afternoon and early evening.
- Weather Situation
- A weak ridge of high pressure is bringing a persistent southwesterly flow over the state. A weak cold front is forecast to cross from the west later today, before a stronger cold front passes over the state on Monday. A high pressure system is then expected to move over Victoria during Tuesday and Wednesday.
Swan Island Temperature Statistics View More
November Temperature
Avalon Airport (30km)
Lowest 13 November, 2025
4.5 °CAverage November
14.4 °CHighest 2 November, 2025
32.8 °C
Climate (2020–Present)
Avalon Airport (30km)
Average Low 2020–2025
9.6 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
20.4 °C