Trigg Beach Weather Forecast
- 15
- 21
Mostly clear
- 13
- 21
Sunny
- 13
- 20
Mostly sunny
- 13
- 20
Possible shower
- 12
- 20
Partly cloudy
- 12
- 20
Shower or two
- 10
- 19
Shower or two
Today 20 Sep Perth
Mostly clear. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- West to southwesterly 1.5 to 2 metres.
- Weather
- Mostly clear.
- Weather Situation
- A ridge sits over the local waters, weakening Monday night and strengthening later Tuesday ahead of the next cold front on Thursday.
Trigg Beach Temperature Statistics View More
September Temperature
Swanbourne (8km)
Lowest 1 September, 2026
9.6 °CAverage September
17 °CHighest 16 September, 2026
30.7 °C
Climate (2021–2026)
Swanbourne (8km)
Average Low 2021–2026
14.5 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
24.3 °C