Powlett River Entrance Weather Forecast
- 10
- 21
Rain. Possible storm
- 11
- 19
Shower or two
- 11
- 19
Showers easing
- 12
- 20
Shower or two. Windy
- 11
- 17
Possible shower
- 10
- 18
Cloudy
- 9
- 23
Sunny
Today 21 Dec Wonthaggi
Cloudy. Very high chance of rain, becoming less likely in the evening. The chance of a thunderstorm in the afternoon and early evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds southeasterly and light increasing to 20 to 25 km/h in the late afternoon then shifting west to southwesterly 25 to 35 km/h in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- East to southeasterly 10 to 15 knots shifting southwesterly 15 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the evening.
- Seas
- Below 1 metre, increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- Weather
- Cloudy. 90% chance of rain. The chance of a thunderstorm in the afternoon and early evening.
- Weather Situation
- A low pressure system south of the Bight will move east and combine with a broad trough over western Victoria early Sunday. The low pressure system will then deepen and slowly move southeast across the State during Sunday to clear into eastern Bass Strait late Sunday. A high pressure ridge then builds across Victoria and Bass Strait during Monday. A weak cold front crosses Bass Strait during late Monday and early Tuesday with the ridge re-establishing itself from Tuesday to Thursday.
Powlett River Entrance Temperature Statistics View More
December Temperature
Rhyll (22km)
Lowest 7 December, 2025
8.6 °CAverage December
16.8 °CHighest 18 December, 2025
35.3 °C
Climate (2020–Present)
Rhyll (22km)
Average Low 2020–2025
12.1 °CAverage 2020–2025
15.1 °CAverage High 2020–2025
19.2 °C