Masillion Island Weather Forecast
- 15
- 16
Partly cloudy
- 14
- 18
Sunny
- 15
- 17
Partly cloudy
- 14
- 15
Shower
- 15
- 16
Shower
- 14
- 16
Partly cloudy
- 14
- 16
Shower
Today 11 Jul West Coast
Mostly sunny. Medium chance of showers south of Streaky Bay, most likely during the morning and afternoon. Near zero chance of rain elsewhere. Winds northwesterly 15 to 20 km/h tending west to northwesterly 15 to 25 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 18.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- West to northwesterly 10 to 15 knots tending north to northwesterly below 10 knots in the late morning and afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 3 metres, increasing to 3 to 4 metres south of Streaky Bay.
- Weather
- Cloud clearing.
- Weather Situation
- A high pressure system will move across the north of SA today. The high will be centred over eastern NSW on Saturday but will maintain a ridge over SA. A series of cold fronts will move across the State during Sunday and Monday then another high will move across the north mid next week. A cold front will move across from the west next Thursday.
Masillion Island Temperature Statistics View More
July Temperature
Ceduna Airport (61km)
Lowest 1 July, 2025
2.3 °CAverage July
12.9 °CHighest 3 July, 2025
23.3 °C
Climate (2020–Present)
Ceduna Airport (61km)
Average Low 2020–2025
10.8 °CAverage 2020–2025
16.8 °CAverage High 2020–2025
23.8 °C