The Sisters Weather Forecast
- 11
- 21
Cloud clearing
- 10
- 31
Mostly sunny
- 17
- 26
Shower or two
- 13
- 20
Showers
- 10
- 17
Showers
- 8
- 17
Shower or two
- 9
- 17
Shower or two
Today 21 Oct Mount Lofty Ranges
The chance of a thunderstorm near the Barossa Valley in the morning. Sunny afternoon. Winds east to southeasterly 15 to 20 km/h tending southeast to southwesterly in the early afternoon then tending east to southeasterly in the evening. Overnight temperatures falling to around 11 with daytime temperatures reaching 21 to 26.
South Central Coastal Waters
- Wind
- Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 to 3 metres, increasing to 3 to 4 metres later in the evening.
- Weather
- Mostly sunny.
The Sisters Temperature Statistics View More
October Temperature
Encounter Bay (8 km)
Lowest 16 October, 2026
5.3 °CAverage October
15.8 °CHighest 11 October, 2026
30 °C
Climate (2021–2026)
Encounter Bay (8 km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.3 °CAverage High 2021–2026
20.7 °C