Saint Peter Island Weather Forecast
- 22
- 24
Partly cloudy
- 18
- 20
Possible shower
- 19
- 23
Showers. Storm
- 16
- 17
Possible shower
- 15
- 17
Cloud clearing
- 16
- 21
Shower or two
- 20
- 20
Shower or two
Today 19 Oct West Coast
Partly cloudy. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. The chance of a thunderstorm later this evening. Winds southerly 25 to 35 km/h turning southeasterly 20 to 30 km/h in the late evening.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Southerly 15 to 25 knots turning southeasterly in the evening. Winds reaching up to 30 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
- 1st Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm later this evening.
- Weather Situation
- A trough spanning from the west and into the Gulfs will move inland through Sunday evening. Following this a low pressure system will move into the Bight by Tuesday bring a strong cold front with its passing. As the low moves off the Lower South East Coast Wednesday morning, the associated front will exit eastern waters and continue through Bass Strait. In the wake of this front a high pressure system will move into the Bight, passing over central coasts late Thursday.
Saint Peter Island Temperature Statistics View More
October Temperature
Ceduna Airport (19km)
Lowest 3 October, 2025
3.7 °CAverage October
17.2 °CHighest 4 October, 2025
38.6 °C
Climate (2020–Present)
Ceduna Airport (19km)
Average Low 2020–2025
10.7 °CAverage 2020–2025
16.8 °CAverage High 2020–2025
23.8 °C