Outer Harbour Entrance Weather Forecast
- 12
- 19
Showers
- 11
- 19
Shower or two
- 10
- 18
Showers easing
- 7
- 17
Partly cloudy
- 7
- 20
Mostly sunny
- 9
- 21
Sunny
- 10
- 21
Partly cloudy
Today 28 Sep Bunbury
Partly cloudy. High chance of showers, becoming less likely this afternoon. The chance of a thunderstorm in the early afternoon. Winds northwesterly 15 to 20 km/h turning southwesterly 25 to 35 km/h in the middle of the day then decreasing to 15 to 20 km/h in the evening.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Northwesterly 10 to 15 knots turning southwesterly 15 to 20 knots early in the morning.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning.
- 1st Swell
- Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm about Geographe Bay in the morning and early afternoon.
- Weather Situation
- A trough and low are deepening over the South West Land Division. The low will slip to the south of the state and the trough will move over south east parts of the state later today. A cold front will approach on Tuesday and move through during Wednesday. A ridge will extend over southern parts of the state on Thursday.
Outer Harbour Entrance Temperature Statistics View More
September Temperature
Bunbury (5km)
Lowest 1 September, 2026
5 °CAverage September
15.1 °CHighest 16 September, 2026
27.4 °C
Climate (2021–2026)
Bunbury (5km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.7 °C