Swan River - Heirisson Island Weather Forecast
- 21
- 41
Sunny
- 27
- 41
Sunny
- 20
- 31
Mostly sunny
- 16
- 23
Partly cloudy
- 13
- 23
Partly cloudy
- 12
- 24
Mostly sunny
- 15
- 30
Sunny
Today 22 Dec Perth
Sunny. Winds easterly 25 to 40 km/h, easing inland and turning south to southwesterly 25 to 35 km/h near the coast in the early afternoon, then tending east to southeasterly 15 to 25 km/h throughout in the late evening.
Melville Waters
- Wind
- Easterly 10 to 15 knots becoming variable below 10 knots in the morning then becoming southeast to southwesterly 10 to 15 knots in the late afternoon.
- Weather
- Sunny.
- Weather Situation
- A firm ridge to the south is directing easterly winds, with sea breezes developing during the day. A trough will remain to the east, but will move offshore on Monday morning before moving inland ahead of a weak cold front later in the day. The front will brush past the south coast early Tuesday and will be followed by a strengthening ridge from the Indian Ocean.
Swan River - Heirisson Island Temperature Statistics View More
December Temperature
Perth Metro (5km)
Lowest 5 December, 2024
13.4 °CAverage December
23.5 °CHighest 11 December, 2024
40.4 °C
Climate (2019–Present)
Perth Metro (5km)
Average Low 2019–2024
13.4 °CAverage 2019–2024
18.9 °CAverage High 2019–2024
25.4 °C