Yankalilla Bay Weather Forecast
- 8
- 13
Partly cloudy
- 5
- 13
Cloudy
- 8
- 11
Cloudy
- 7
- 13
Partly cloudy
- 6
- 15
Sunny
- 8
- 18
Partly cloudy
- 13
- 18
Shower
Today 7 Sep Mount Lofty Ranges
Partly cloudy. The chance of fog in the north in the early morning. Slight chance of a shower in the south, near zero chance elsewhere. Winds south to southwesterly 15 to 20 km/h tending south to southeasterly 15 to 25 km/h in the early morning then becoming light in the evening. Overnight temperatures falling to around 8 with daytime temperatures reaching between 14 and 17.
Investigator Strait Coastal Waters
- Wind
- Southerly 10 to 15 knots turning east to southeasterly in the late morning and afternoon. Winds reaching up to 20 knots through the Backstairs Passage in the late afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Partly cloudy.
Yankalilla Bay Temperature Statistics View More
September Temperature
Parawa West (Second Valley Forest) (9km)
Lowest 4 September, 2026
6.9 °CAverage September
11.3 °CHighest 1 September, 2026
16.6 °C
Climate (2021–2026)
Parawa West (Second Valley Forest) (9km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
17.7 °C