Flat Rock Weather Forecast
- 21
- 32
Partly cloudy
- 18
- 31
Cloudy
- 18
- 26
Windy
- 16
- 29
Windy
- 19
- 33
Windy
- 18
- 28
Windy
- 17
- 30
Windy
Today 15 Dec Central West
Partly cloudy. The chance of fog in the west early this morning. Slight chance of a shower in the east this afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm during the morning and afternoon, possibly severe with damaging winds and heavy rain which may lead to flash flooding in the east. Winds northwest to northeasterly 25 to 35 km/h tending northwest to southwesterly 20 to 30 km/h in the early afternoon then tending south to southwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures 34 to 41.
Lancelin Coastal Waters
Jurien Bay to Two Rocks- Wind
- North to northwesterly 10 to 15 knots decreasing to about 10 knots in the early morning then becoming south to southwesterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy. The chance of a thunderstorm inshore in the early afternoon.
- Weather Situation
- A trough is deepening offshore from the west coast associated with a low pressure system, as a high pressure system strengthens in the Bight. The high will move east throughout today, allowing the trough to return to the west coast. The trough will move inland ahead of a cold front brushing the south coast by Tuesday. A new ridge will build across the southwest coast from Wednesday.
Flat Rock Temperature Statistics View More
December Temperature
Jurien Bay (51km)
Lowest 4 December, 2025
13 °CAverage December
24.3 °CHighest 1 December, 2025
39.6 °C
Climate (2020–Present)
Jurien Bay (51km)
Average Low 2020–2025
13.8 °CAverage 2020–2025
19.9 °CAverage High 2020–2025
25.9 °C