Royston Island Weather Forecast
- 12
- 19
Shower or two. Windy
- 13
- 19
Shower or two. Windy
- 12
- 19
Shower or two
- 12
- 19
Possible shower
- 10
- 18
Partly cloudy
- 11
- 20
Cloud clearing
- 11
- 22
Sunny
Today 9 Oct Yorke Peninsula
Partly cloudy. Medium chance of showers in the south, becoming less likely in the afternoon. Near zero chance of rain elsewhere. Winds westerly 25 to 35 km/h. Daytime maximum temperatures in the low 20s.
Central Coastal Waters
- Wind
- Westerly 20 to 25 knots turning northwesterly in the early afternoon. Winds reaching up to 30 knots during the afternoon and evening.
- Seas
- 2 metres, increasing to 2.5 to 3 metres during the afternoon.
- 1st Swell
- Southwesterly 5 to 6 metres.
- Weather
- Partly cloudy. 60% chance of showers.
- Weather Situation
- A series of cold fronts will move across the coastal waters over the next few days before a high pressure system beings to build over the south this weekend.
Royston Island Temperature Statistics View More
October Temperature
Stenhouse Bay (13km)
Lowest 4 October, 2025
9.6 °CAverage October
15.2 °CHighest 4 October, 2025
30.3 °C
Climate (2020–Present)
Stenhouse Bay (13km)
Average Low 2020–2025
13.1 °CAverage 2020–2025
16 °CAverage High 2020–2025
20.5 °C