Prevelly Weather Forecast
- 9
- 20
Shower or two. Possible storm
- 11
- 18
Showers
- 11
- 18
Shower or two
- 11
- 17
Showers easing
- 9
- 18
Possible shower
- 8
- 19
Partly cloudy
- 9
- 20
Sunny
Today 27 Sep South West
Cloudy. High chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the east. Winds east to southeasterly 15 to 20 km/h becoming light in the middle of the day. Overnight temperatures falling to around 10 with daytime temperatures reaching between 18 and 21.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- East to southeasterly 20 to 30 knots, reaching up to 35 knots offshore during the morning. Winds decreasing to 10 to 15 knots in the late evening.
- Seas
- 2 to 4 metres, decreasing to 2 to 3 metres around midday.
- 1st Swell
- Southeasterly 2 to 3 metres, increasing to 2 to 4 metres during the morning.
- Weather
- Cloudy. 90% chance of showers east of Cape Leeuwin, 60% chance elsewhere. The chance of a thunderstorm, with possible squalls inshore late this afternoon and evening.
- Weather Situation
- An inland trough and low will move west on the weekend across southern and central WA, moving close to the west coast today. A high will develop south of the Bight on the weekend and move east for the following few days. On Monday the low will slip south of the state and the trough will move over south east parts. A cold front will approach on Tuesday and move through during Wednesday.
Prevelly Temperature Statistics View More
September Temperature
Cape Leeuwin (45km)
Lowest 10 September, 2026
10.6 °CAverage September
15.8 °CHighest 18 September, 2026
25.3 °C
Climate (2021–2026)
Cape Leeuwin (45km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.8 °C