Althorpe Island Weather Forecast
- 16
- 24
Showers
- 13
- 19
Showers
- 13
- 22
Showers. Storm developing
- 12
- 19
Shower or two. Windy
- 11
- 19
Cloudy
- 11
- 21
Shower or two
- 13
- 21
Shower or two
Today 19 Oct Yorke Peninsula
Cloudy. High chance of showers in the south, slight chance elsewhere. The chance of a thunderstorm in the evening. Winds north to northwesterly 25 to 40 km/h shifting south to southeasterly 25 to 35 km/h in the late afternoon. Overnight temperatures falling to between 15 and 20 with daytime temperatures reaching 26 to 34.
Central Coastal Waters
- Wind
- Northwest to southwesterly 15 to 20 knots, reaching up to 25 knots inshore early in the morning. Winds tending south to southwesterly 10 to 15 knots in the early morning then tending south to southeasterly 15 to 20 knots in the morning.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres around midday.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm inshore this evening.
- Weather Situation
- A weakening ridge over the eastern waters will be cleared by a trough pushing in from the west this morning. This trough and an embedded low will move inland with another low pressure system moving into the Bight by Tuesday. A series of troughs and a cold front will move over coastal waters with the passing of this low through the mid week before a ridge extends over waters late by Wednesday.
Althorpe Island Temperature Statistics View More
October Temperature
Stenhouse Bay (12km)
Lowest 15 October, 2025
7.9 °CAverage October
15.3 °CHighest 4 October, 2025
30.3 °C
Climate (2020–Present)
Stenhouse Bay (12km)
Average Low 2020–2025
13.1 °CAverage 2020–2025
16 °CAverage High 2020–2025
20.5 °C