The Sisters Weather Forecast
- 12
- 18
Showers. Windy
- 9
- 16
Showers increasing
- 8
- 15
Showers
- 9
- 16
Showers easing
- 10
- 18
Shower or two
- 9
- 18
Partly cloudy
- 8
- 18
Mostly sunny
Today 2 Jun Mount Lofty Ranges
Cloudy. Very high chance of showers. The chance of a thunderstorm this morning. Damaging winds possible. Winds northwesterly 35 to 50 km/h turning westerly 25 to 40 km/h in the early morning then increasing to 35 to 50 km/h in the middle of the day. Daytime maximum temperatures between 13 and 17.
South Central Coastal Waters
- Wind
- Westerly 20 to 30 knots turning southwesterly 25 to 30 knots in the early afternoon. Winds reaching up to 35 knots in the afternoon.
- Seas
- 2 to 3 metres, increasing to 2.5 to 4 metres west of Kangaroo Island.
- 1st Swell
- Southwesterly 1.5 to 2 metres, tending westerly 2 to 3 metres during the morning, then increasing to 3 to 5 metres by early evening.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm this morning.
- Weather Situation
- A significant low pressure system over waters to the south of SA extends a series of fronts over the coastal waters before moving eastwards and reaching western Bass Strait this afternoon. A weak low pressure system moves over waters to the south on Wednesday extending a cold front over coastal parts late Wednesday into Thursday. A high pressure system develops over western parts on Friday and a cold front embedded in the southwesterly moves over the coastal waters.
The Sisters Temperature Statistics View More
June Temperature
Encounter Bay (8km)
Lowest 1 June, 2026
9.1 °CAverage June
12.4 °CHighest
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Climate (2021–Present)
Encounter Bay (8km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.3 °CAverage High 2021–2026
20.7 °C