Castle Point Weather Forecast
- 9
- 18
Showers increasing
- 11
- 16
Showers. Windy
- 7
- 17
Morning shower or two
- 9
- 19
Partly cloudy
- 7
- 19
Partly cloudy
- 7
- 20
Sunny
- 9
- 20
Mostly sunny
Today 9 Aug South West
Cloudy. High chance of showers. Winds west to southwesterly 15 to 25 km/h tending west to northwesterly 15 to 20 km/h during the day. Daytime maximum temperatures around 16.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Southwesterly 15 to 20 knots tending westerly in the early afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 metre during the morning.
- 1st Swell
- Southwesterly 2 to 4 metres inshore, increasing to 4 to 6 metres offshore.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- A vigorous and cold southwesterly flow extends east in the wake of a cold front moving over the central and eastern south coast today with a broad ridge extends over the the central west coast. The ridge will maintaining a cold southwesterly flow across southern WA today. Another cold front will move through southwest WA on Monday, followed by another ridge on Tuesday and Wednesday.
Castle Point Temperature Statistics View More
August Temperature
Cape Naturaliste (9km)
Lowest 2 August, 2026
6 °CAverage August
12.9 °CHighest 3 August, 2026
21.6 °C
Climate (2021–2026)
Cape Naturaliste (9km)
Average Low 2021–2026
13.2 °CAverage 2021–2026
17.2 °CAverage High 2021–2026
22.7 °C