The Sisters Weather Forecast
- 13
- 21
Shower or two
- 11
- 18
Shower or two
- 9
- 19
Shower or two
- 10
- 19
Shower or two
- 10
- 19
Shower or two
- 9
- 19
Cloudy
- 7
- 19
Partly cloudy
Today 16 May Mount Lofty Ranges
Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the late morning and afternoon. Winds northwesterly 15 to 25 km/h becoming light in the early afternoon. Daytime maximum temperatures between 18 and 21.
South Central Coastal Waters
- Wind
- West to northwesterly 10 to 15 knots becoming variable below 10 knots in the late afternoon.
- Seas
- Around 1 metre, decreasing below 0.5 metres later in the evening.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the late morning and afternoon.
- Weather Situation
- A trough of low pressure about eastern waters will move into Bass Strait early Sunday morning. A ridge of high pressure builds in the west. A cold front will move over the south early in the week, followed by a high pressure system, which will linger in the Bight midweek.
The Sisters Temperature Statistics View More
May Temperature
Encounter Bay (8km)
Lowest 13 May, 2026
7.7 °CAverage May
15.5 °CHighest 1 May, 2026
29.7 °C
Climate (2021–Present)
Encounter Bay (8km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.7 °C