Sandy Island Weather Forecast
- 7
- 17
Partly cloudy
- 7
- 17
Mostly sunny
- 7
- 18
Mostly sunny
- 11
- 18
Showers. Windy
- 10
- 15
Showers easing
- 7
- 16
Cloudy
- 8
- 19
Partly cloudy
Today 23 Jul South West
Partly cloudy. The chance of morning fog in the north. Light winds. Daytime maximum temperatures around 17.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- Variable about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure centre over waters southwest of the state extends a ridge over southern WA. The ridge will persist over the region for the remainder of the week as the high pressure centre slowly moves east. A cold front will then cross southwestern parts during late Saturday into Sunday.
Sandy Island Temperature Statistics View More
July Temperature
Windy Harbour (3km)
Lowest 1 July, 2026
-0.5 °CAverage July
13.3 °CHighest 15 July, 2026
22.5 °C
Climate (2021–2026)
Windy Harbour (3km)
Average Low 2021–2026
11 °CAverage 2021–2026
17 °CAverage High 2021–2026
20.4 °C