Castle Point Weather Forecast
- 10
- 18
Shower or two
- 11
- 19
Showers
- 11
- 19
Shower or two
- 10
- 20
Partly cloudy
- 9
- 21
Partly cloudy
- 11
- 19
Shower or two
- 9
- 19
Shower or two
Today 18 Aug South West
Partly cloudy. The chance of frost in the north early this morning. Medium chance of showers, most likely late this afternoon and evening. Winds westerly 15 to 20 km/h becoming light before dawn then becoming northwesterly 15 to 20 km/h in the middle of the day. Daytime maximum temperatures around 16.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Southwesterly 15 to 20 knots turning west to northwesterly during the morning.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres offshore during the afternoon.
- 1st Swell
- Westerly 3 to 5 metres.
- Weather
- Cloudy. 50% chance of showers.
- Weather Situation
- A cold front will continue moving eastward across the south coast this morning, contracting into the Bight later today. A weak ridge is developing over the west coast in the wake of this front. Another weak cold front will cross the southwest part of the State on Wednesday before a ridge settles over the south coast during Thursday and Friday.
Castle Point Temperature Statistics View More
August Temperature
Cape Naturaliste (9km)
Lowest 2 August, 2026
6 °CAverage August
13.4 °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