Boomer Beach Weather Forecast
- 15
- 33
Partly cloudy
- 14
- 21
Partly cloudy
- 12
- 20
Cloudy
- 12
- 19
Cloudy
- 11
- 21
Sunny
- 12
- 30
Sunny
- 15
- 32
Mostly sunny
Today 12 Dec Mount Lofty Ranges
Partly cloudy. Slight chance of a shower this evening. The chance of a thunderstorm near the Barossa Valley later tonight. Winds north to northeasterly 20 to 30 km/h shifting south to southwesterly 15 to 25 km/h in the middle of the day then tending south to southeasterly 25 to 35 km/h in the evening. Daytime maximum temperatures 32 to 37.
South Central Coastal Waters
- Wind
- Easterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the middle of the day.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres west of Kangaroo Island.
- Weather
- Mostly sunny.
- Weather Situation
- A trough will sweep across across the coastal waters today, clearing to the east in the late evening. A ridge of high pressure will begin to move in from the southwest on the weekend with the high pressure centre establishing south of the Bight on Monday.
Boomer Beach Temperature Statistics View More
December Temperature
Encounter Bay (6km)
Lowest 3 December, 2025
6.9 °CAverage December
18.3 °CHighest 4 December, 2025
33.4 °C
Climate (2020–Present)
Encounter Bay (6km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
15.1 °CAverage High 2020–2025
20.6 °C