Williamson's Beach Weather Forecast
- 15
- 23
Rain at times
- 10
- 20
Sunny morning. Shower or two
- 10
- 17
Showers easing
- 8
- 18
Showers increasing
- 6
- 13
Showers
- 8
- 16
Showers easing
- 10
- 17
Shower or two
Today 3 May Wonthaggi
Cloudy. Very high chance of rain, becoming less likely in the evening. The chance of a thunderstorm in the late morning and afternoon, possibly severe with heavy rain which may lead to flash flooding. Winds north to northwesterly 15 to 20 km/h becoming light in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- West to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore during the afternoon.
- Weather
- Cloudy. 80% chance of rain. The chance of a thunderstorm.
- Weather Situation
- A low pressure system drifts eastward south of the Bight, extending a cold front over western Bass Strait. This front will move slowly eastward, reaching eastern waters on Sunday afternoon. The low pressure system is then expected to move over Bass Strait or southern Victoria on Monday with a cool southwesterly airstream in its wake. A cold front moving south of the Bight is likely to reach western waters later Wednesday.
Williamson's Beach Temperature Statistics View More
May Temperature
Rhyll (24km)
Lowest 1 May, 2026
15.4 °CAverage May
19 °CHighest
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Climate (2021–Present)
Rhyll (24km)
Average Low 2021–2026
12.1 °CAverage 2021–2026
15.1 °CAverage High 2021–2026
19.3 °C