Port Macdonnell Weather Forecast
- 8
- 22
Cloudy
- 13
- 18
Cloudy
- 9
- 26
Partly cloudy
- 16
- 22
Shower
- 10
- 24
Partly cloudy
- 13
- 27
Partly cloudy
- 16
- 25
Shower
Today 19 Apr Lower South East
Partly cloudy. Medium chance of showers, becoming less likely in the afternoon. The chance of a thunderstorm in the late morning and afternoon. Winds north to northwesterly 15 to 20 km/h shifting south to southwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- North to northwesterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell in the late morning and early afternoon. Winds shifting south to southwesterly in the early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
- 1st Swell
- South to southeasterly 1 to 1.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm in the late morning.
- Weather Situation
- A high pressure system centred west of Tasmania extends a ridge over western Victoria. A cold front over the far west of SA will weaken as it moves eastwards over central and eastern parts this morning. The high will move eastwards to be centred southeast of Tasmania later today but will continue to extend a ridge over SA early next week. Another front will move across the south of SA late Tuesday and early Wednesday then another high will move across waters to the south during Wednesday.
Port Macdonnell Temperature Statistics View More
April Temperature
Mount Gambier Airport (34km)
Lowest 18 April, 2026
3 °CAverage April
13.7 °CHighest 5 April, 2026
25.3 °C
Climate (2021–Present)
Mount Gambier Airport (34km)
Average Low 2021–2026
8.8 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20 °C