Stratham Weather Forecast
- 11
- 18
Showers. Windy
- 11
- 20
Possible early shower
- 9
- 20
Partly cloudy
- 9
- 21
Partly cloudy
- 9
- 20
Mostly sunny
- 9
- 19
Shower or two
- 10
- 18
Shower or two
Today 19 Sep Bunbury
Cloudy. Very high chance of showers, becoming less likely in the early afternoon. The chance of a thunderstorm early this morning. Winds northwesterly 35 to 45 km/h tending westerly 35 to 50 km/h in the early morning then decreasing to 25 to 35 km/h in the late afternoon.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Northwesterly 25 to 30 knots, reaching up to 35 knots offshore early in the morning. Winds tending westerly before dawn then decreasing to 15 to 25 knots in the middle of the day.
- Seas
- 2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Westerly 2 to 3 metres, increasing to 3 to 5 metres during the morning, then tending west to southwesterly 3 to 4 metres during the afternoon.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm early this morning.
- Caution
- Large and powerful surf conditions from this morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
- Weather Situation
- A cold front is moving east across the south coast today, followed by a couple more weak fronts brushing past the south coast on the weekend. A new ridge will form along the southwest coast on Sunday before weakening on Monday. A trough developing inland will move east along the south coast on Tuesday ahead of the next cold front.
Stratham Temperature Statistics View More
September Temperature
Bunbury (12km)
Lowest 1 September, 2026
5 °CAverage September
15.4 °CHighest 16 September, 2026
27.4 °C
Climate (2021–2026)
Bunbury (12km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.7 °C