Keillers Beach Weather Forecast
- 11
- 16
Rain
- 11
- 18
Shower or two
- 11
- 17
Possible shower
- 12
- 18
Possible shower
- 11
- 17
Cloudy
- 11
- 18
Cloudy
- 10
- 22
Mostly sunny
Today 21 Dec South West
Cloudy. Very high chance of rain, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and early afternoon. Winds southeasterly 15 to 20 km/h tending south to southeasterly in the middle of the day then turning southwesterly 25 to 35 km/h in the early afternoon. Overnight temperatures falling to around 10 with daytime temperatures reaching between 17 and 22.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Southeasterly 15 to 20 knots turning southwesterly 20 to 25 knots in the late afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres by early evening.
- 1st Swell
- South to southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then tending southwesterly 1 to 1.5 metres during the afternoon.
- Weather
- Cloudy. 90% chance of rain.
- 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.
Keillers Beach Temperature Statistics View More
December Temperature
Portland Airport (15km)
Lowest 5 December, 2025
6.9 °CAverage December
15.2 °CHighest 18 December, 2025
34.4 °C
Climate (2020–Present)
Portland Airport (15km)
Average Low 2020–2025
9.6 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
18.1 °C