Carnac Island Weather Forecast
- 13
- 19
Showers
- 13
- 18
Showers
- 11
- 17
Showers. Possible storm
- 11
- 18
Showers
- 9
- 17
Partly cloudy
- 9
- 18
Partly cloudy
- 8
- 18
Mostly sunny
Today 28 Jun Perth
Cloudy. Very high chance of showers. Winds west to southwesterly 20 to 30 km/h becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southwesterly 15 to 25 knots decreasing to 10 to 15 knots in the evening.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- West to southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
- Weather
- Cloudy. Near 100% chance of showers.
- Caution
- Large and powerful surf conditions until this afternoon are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
- Weather Situation
- Fresh to strong westerly winds through Local Waters, easing later today as a deep low pressures system south of the state moves east. A series of cold fronts and troughs thereafter will maintain the westerly flow across local waters well into next week.
Carnac Island Temperature Statistics View More
June Temperature
Garden Island (13km)
Lowest 18 June, 2026
6.5 °CAverage June
14.9 °CHighest 24 June, 2026
21.3 °C
Climate (2021–2026)
Garden Island (13km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C