Fremantle Inner Harbour Weather Forecast
- 16
- 30
Sunny
- 19
- 32
Sunny
- 20
- 30
Mostly sunny
- 19
- 30
Mostly sunny
- 19
- 27
Sunny
- 18
- 27
Sunny
- 17
- 27
Sunny
Today 30 Dec Perth
Sunny. Winds east to southeasterly 25 to 40 km/h.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- East to southeasterly 15 to 20 knots turning southerly in the middle of the day then tending southeasterly 10 to 15 knots in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Sunny.
- Weather Situation
- A ridge sits along the south coast, driving a southeasterly airstream over the local waters. A trough will develop down the west coast from Tuesday, moving inland on Thursday or Friday.
Fremantle Inner Harbour Temperature Statistics View More
December Temperature
Swanbourne (10km)
Lowest 27 December, 2025
12.7 °CAverage December
22.6 °CHighest 25 December, 2025
41.6 °C
Climate (2020–Present)
Swanbourne (10km)
Average Low 2020–2025
14.5 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
24.3 °C