Eastern Sister Weather Forecast
- 12
- 20
Partly cloudy
- 13
- 23
Sunny
- 16
- 37
Partly cloudy
- 18
- 25
Partly cloudy
- 16
- 28
Storm
- 15
- 20
Shower
- 13
- 18
Partly cloudy
Today 5 Jan Mornington Peninsula
Clear. Winds southerly 20 to 30 km/h becoming light in the late evening.
Port Phillip Local Waters
- Wind
- Southerly 10 to 15 knots decreasing to below 10 knots in the late evening.
- Seas
- Around 1 metre.
- Weather
- Clear.
- Weather Situation
- A trough over the far northeast will contract into NSW late Monday evening before a high pressure system over far southwest crosses the state on Tuesday. This high will establish in Tasman Sea through the midweek with new trough moving into western Victoria on Wednesday. This trough will remain stationary over the central and western districts with a cooler west to southwesterly airstream and a ridge in the west establishing on Friday.
Eastern Sister Temperature Statistics View More
January Temperature
Cerberus (36km)
Lowest 2 January, 2026
8.5 °CAverage January
17.8 °CHighest 3 January, 2026
29.6 °C
Climate (2021–Present)
Cerberus (36km)
Average Low 2021–2026
10.1 °CAverage 2021–2026
14.5 °CAverage High 2021–2026
19.5 °C