Western Port Weather Forecast
- 16
- 24
Possible shower
- 13
- 19
Shower or two. Very windy
- 12
- 17
Cloudy
- 11
- 18
Cloudy
- 11
- 27
Sunny
- 15
- 29
Sunny
- 16
- 26
Partly cloudy
Today 13 Dec Central
Partly cloudy. Medium chance of showers. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding about the ranges. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly in the early afternoon then tending southeast to southwesterly in the evening. Overnight temperatures falling to between 15 and 19 with daytime temperatures reaching 24 to 29.
Western Port Local Waters
- Wind
- North to northwesterly about 10 knots tending west to southwesterly 10 to 15 knots in the morning then tending south to southwesterly in the early afternoon.
- Seas
- Below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A high pressure system lies over the Tasman Sea and extends a broad ridge over eastern Bass Strait. A low pressure trough extends across the SA border into western Victoria and Bass Strait. The trough is expected to slowly move east over Victoria and Bass Strait during Saturday, entering from the west in the early morning and moving into eastern Coastal waters by the evening. The next cold front will cross Bass Strait during Sunday with a new high pressure ridge developing in its wake on Monday.
Western Port Temperature Statistics View More
December Temperature
Rhyll (6km)
Lowest 7 December, 2025
8.6 °CAverage December
16 °CHighest 4 December, 2025
31.6 °C
Climate (2020–Present)
Rhyll (6km)
Average Low 2020–2025
12.1 °CAverage 2020–2025
15.1 °CAverage High 2020–2025
19.2 °C