Sand Island Weather Forecast
- 10
- 16
Shower
- 6
- 16
Partly cloudy
- 8
- 18
Shower
- 10
- 15
Shower
- 9
- 15
Shower
- 7
- 17
Cloudy
- 8
- 17
Shower
Today 22 Aug Central
Cloudy. Medium chance of showers, most likely this morning. Winds west to northwesterly 20 to 30 km/h tending west to southwesterly in the morning then becoming light in the evening. Daytime maximum temperatures between 12 and 16.
Port Phillip Local Waters
- Wind
- Northwest to southwesterly 15 to 20 knots becoming southwesterly 10 to 15 knots in the early afternoon then becoming westerly below 10 knots in the late evening.
- Seas
- Around 1 metre.
- Weather
- Cloudy. 50% chance of showers.
- Weather Situation
- A ridge of high pressure over northern parts of the State will remain throughout the weekend as a couple of cold fronts pass well to the south in a broad westerly flow. The ridge will weaken and move over the Tasman Sea on Monday and a low pressure system and associated trough will approach from the west, moving to the north of the State on Tuesday.
Sand Island Temperature Statistics View More
August Temperature
Avalon Airport (30km)
Lowest 1 August, 2026
-0.7 °CAverage August
10.7 °CHighest 18 August, 2026
19.8 °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