Dunn Bay Weather Forecast
- 13
- 24
Mostly sunny
- 13
- 24
Partly cloudy
- 16
- 25
Partly cloudy
- 13
- 28
Sunny
- 15
- 30
Sunny
- 18
- 28
Partly cloudy
- 17
- 25
Cloud clearing
Today 6 Dec South West
Partly cloudy. Slight chance of a shower near the south coast in the morning. Near zero chance of rain elsewhere. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching 23 to 28.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- South to southeasterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southwesterly 10 to 15 knots in the early afternoon.
- Seas
- Around 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge of high pressure sits across southern WA, with a weak cold front sweeping the eastern south coast. A trough develops through inland parts of the South West Land Division on Sunday and move eastwards on Monday. A second weak front will brush past the south coast on Sunday into Monday ahead of the next high pressure ridge.
Dunn Bay Temperature Statistics View More
December Temperature
Cape Naturaliste (12km)
Lowest 4 December, 2025
12.9 °CAverage December
19.1 °CHighest 1 December, 2025
32.1 °C
Climate (2020–Present)
Cape Naturaliste (12km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
17.2 °CAverage High 2020–2025
22.7 °C