Lighthouse Bay Weather Forecast
- 8
- 24
Clear
- 12
- 29
Sunny
- 15
- 32
Partly cloudy
- 15
- 20
Windy
- 12
- 19
Windy
- 12
- 22
Cloudy
- 13
- 23
Partly cloudy
Today 27 Dec Lower South East
Clear. Winds southeasterly 15 to 25 km/h becoming light in the late evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- East to southeasterly 10 to 15 knots, reaching up to 20 knots south of Beachport during the afternoon and evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Beachport.
- 1st Swell
- Southwesterly 1.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system centred near Tasmania maintains a broad ridge over most of South Australia, with a trough crossing the Bight. The high centre moves eastward into the Tasman Sea on Sunday and Monday while the trough builds over central SA and slowly moves eastward. The trough moves into the northeast of SA on Wednesday while a high passes south of the Bight.
Lighthouse Bay Temperature Statistics View More
December Temperature
Mount Gambier Airport (38km)
Lowest 7 December, 2025
4.7 °CAverage December
15.6 °CHighest 18 December, 2025
38.9 °C
Climate (2020–Present)
Mount Gambier Airport (38km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.6 °CAverage High 2020–2025
19.9 °C