Swan Island Weather Forecast
- 9
- 16
Shower
- 6
- 12
Shower
- 6
- 13
Shower
- 4
- 14
Partly cloudy
- 4
- 15
Cloudy
- 7
- 15
Partly cloudy
- 7
- 14
Shower
Today 28 Jul Central
Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm near the Otways in the evening. Possible small hail near the Otways in the late afternoon and evening. Winds northerly 25 to 40 km/h increasing to 45 km/h before turning northwesterly 25 to 40 km/h in the late morning and early afternoon. Daytime maximum temperatures between 10 and 16.
Port Phillip Local Waters
- Wind
- North to northwesterly 20 to 25 knots, reaching up to 30 knots in the late morning and early afternoon. Winds shifting westerly in the evening. Squalls possible with the wind change in the evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
- Weather
- Partly cloudy. Near 100% chance of showers.
- Weather Situation
- A cold front over Victoria on Tuesday will bring a colder southwesterly airstream. A weakening low pressure system will move across Bass Strait early Wednesday in the wake of Tuesday's front then a high pressure ridge will move across from the west on Thursday and Friday. The ridge will move eastwards on Saturday.
Swan Island Temperature Statistics View More
July Temperature
Avalon Airport (30km)
Lowest 10 July, 2026
-1 °CAverage July
9.7 °CHighest 1 July, 2026
17.7 °C
Climate (2021–2026)
Avalon Airport (30km)
Average Low 2021–2026
9.8 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
20.6 °C