Port Macdonnell Weather Forecast
- 14
- 20
Cloudy
- 14
- 18
Cloudy
- 12
- 21
Partly cloudy
- 10
- 26
Sunny
- 14
- 31
Partly cloudy
- 16
- 25
Partly cloudy
- 15
- 28
Shower
Today 3 Jan Lower South East
Partly cloudy. Winds southerly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southerly 15 to 20 knots, reaching up to 25 knots inshore in the evening. Winds turning southeasterly in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres inshore.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system centred south of SA extends a ridge over the west of the state and a broad trough lingers over the far northeast. These features will remain relatively stationary over the weekend then the high will move eastwards early next week. A broad trough will move across from the west mid next week.
Port Macdonnell Temperature Statistics View More
January Temperature
Mount Gambier Airport (34km)
Lowest 1 January, 2026
6.9 °CAverage January
15.2 °CHighest 1 January, 2026
22.3 °C
Climate (2021–Present)
Mount Gambier Airport (34km)
Average Low 2021–2026
8.8 °CAverage 2021–2026
13.6 °CAverage High 2021–2026
19.9 °C