Sulphur Bay Weather Forecast
- 14
- 19
Partly cloudy
- 13
- 17
Shower or two
- 13
- 19
Partly cloudy
- 11
- 20
Mostly sunny
- 12
- 22
Sunny
- 13
- 25
Sunny
- 16
- 26
Sunny
Today 17 Sep Perth
Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Winds westerly 15 to 25 km/h turning southwesterly 15 to 20 km/h in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southwesterly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A series of weak fronts brush the southern coast until Friday. A ridge of high pressure is developing to the north, slips south of the Local Waters on Saturday, and will dominate the weather pattern into next week.
Sulphur Bay Temperature Statistics View More
September Temperature
Garden Island (6km)
Lowest 1 September, 2025
7.5 °CAverage September
14.6 °CHighest 12 September, 2025
24.1 °C
Climate (2020–Present)
Garden Island (6km)
Average Low 2020–2025
15.1 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
23.3 °C