Southern Harbour Weather Forecast
- 11
- 18
Showers
- 10
- 17
Possible early shower
- 9
- 18
Partly cloudy
- 9
- 19
Mostly sunny
- 9
- 20
Sunny
- 11
- 18
Showers
- 9
- 17
Shower or two
Today 1 Jul Perth
Cloudy. Very high chance of showers. Winds west to southwesterly 20 to 30 km/h becoming light in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southwesterly 15 to 25 knots.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- 1st Swell
- Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
- Weather
- Cloudy. Near 100% chance of showers.
- Weather Situation
- A trough is moving over southern WA, associated with a low pressure system tracking into South Australia today. Another weak front will brush the south coast tonight, before a ridge extends across southern parts of the state from Thursday.
Southern Harbour Temperature Statistics View More
July Temperature
Garden Island (12km)
Lowest
–Average July
–Highest
–
Climate (2021–2026)
Garden Island (12km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C