Yilki Weather Forecast
- 17
- 25
Cloudy
- 13
- 22
Partly cloudy
- 14
- 23
Showers easing
- 12
- 21
Cloudy
- 13
- 21
Cloudy
- 12
- 22
Cloudy
- 13
- 20
Cloud clearing
Today 19 Dec Mount Lofty Ranges
Partly cloudy. The chance of a thunderstorm in the afternoon and evening. Winds northwest to southwesterly 20 to 30 km/h tending south to southwesterly in the middle of the day. Daytime maximum temperatures 24 to 33.
South Central Coastal Waters
- Wind
- Southwesterly 15 to 20 knots turning southerly in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre later in the evening.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
- Weather
- Cloudy. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- A trough of broad low pressure lies in the west. This area of low pressure is expected to slowly extend across the state from the west during today and tomorrow, before contracting to the far northeast on Sunday evening. Behind this, a ridge of high pressure moves over the west and south during Sunday, persisting throughout SA by late Monday.
Yilki Temperature Statistics View More
December Temperature
Encounter Bay (1km)
Lowest 3 December, 2025
6.9 °CAverage December
18.6 °CHighest 4 December, 2025
33.4 °C
Climate (2020–Present)
Encounter Bay (1km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
15.1 °CAverage High 2020–2025
20.6 °C