Margaret River Mouth Weather Forecast
- 11
- 21
Possible late shower
- 12
- 19
Showers easing
- 12
- 19
Shower or two
- 10
- 20
Partly cloudy
- 9
- 23
Sunny
- 13
- 24
Sunny
- 14
- 21
Showers
Today 11 Sep South West
Partly cloudy. Slight chance of a shower in the west in the evening. Near zero chance of rain elsewhere. Winds northeasterly 15 to 20 km/h turning north to northwesterly 15 to 25 km/h in the late morning. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching the low 20s.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- Northeasterly 15 to 20 knots turning north to northwesterly 15 to 25 knots during the day.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Mostly sunny morning. 50% chance of showers in the late afternoon and evening.
Margaret River Mouth Temperature Statistics View More
September Temperature
Cape Leeuwin (46km)
Lowest 10 September, 2026
10.6 °CAverage September
14.9 °CHighest 9 September, 2026
19.3 °C
Climate (2021–2026)
Cape Leeuwin (46km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.7 °C