Thyssen Rock Weather Forecast
- 12
- 19
Showers. Possible storm
- 12
- 17
Showers
- 12
- 18
Showers
- 11
- 15
Showers
- 10
- 16
Possible morning shower
- 8
- 19
Partly cloudy
- 9
- 20
Partly cloudy
Today 27 Sep South West
Cloudy. High chance of showers, most likely in the afternoon. 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 easterly 15 to 20 km/h becoming light in the middle of the day. Daytime maximum temperatures between 18 and 21.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- Easterly 20 to 30 knots, reaching up to 35 knots offshore during the morning. Winds tending southeasterly in the middle of the day then becoming variable about 10 knots in the late evening.
- Seas
- 2 to 4 metres, decreasing to 2 to 3 metres around midday.
- 1st Swell
- Southeasterly 1.5 to 2.5 metres inshore, increasing to 2.5 to 4 metres offshore east of Cape Leeuwin.
- Weather
- Cloudy. 70% chance of showers. The chance of a thunderstorm, with possible squalls inshore.
- 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.
Thyssen Rock Temperature Statistics View More
September Temperature
North Walpole (13km)
Lowest 1 September, 2026
8.1 °CAverage September
14 °CHighest 17 September, 2026
29.6 °C
Climate (2021–2026)
North Walpole (13km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
20.6 °C