The Basin Weather Forecast
- 14
- 18
Showers. Windy
- 12
- 17
Possible morning storm. Windy
- 14
- 18
Showers. Windy
- 11
- 16
Early shower or two
- 11
- 17
Partly cloudy
- 10
- 18
Mostly sunny
- 11
- 19
Mostly sunny
Today 29 Jun Lower West
Cloudy. High chance of showers. The chance of a thunderstorm near the coast. Winds northwesterly 20 to 30 km/h.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Westerly 20 to 30 knots.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- West to southwesterly 1.5 to 2 metres.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A cold front will move through later this evening and early Tuesday morning bringing a period of strong southwesterly winds. Fresh winds will then continue before easing on Thursday as a ridge develops to the south.
The Basin Temperature Statistics View More
June Temperature
Swanbourne (21km)
Lowest 16 June, 2026
5.6 °CAverage June
14.3 °CHighest 25 June, 2026
22.3 °C
Climate (2021–2026)
Swanbourne (21km)
Average Low 2021–2026
14.5 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
24.3 °C