Port Gawler Beach Weather Forecast
- 4
- 20
Sunny
- 7
- 25
Mostly sunny
- 12
- 29
Partly cloudy
- 13
- 27
Partly cloudy
- 15
- 28
Partly cloudy
- 15
- 28
Partly cloudy
- 16
- 30
Mostly sunny
Today 22 Sep Adelaide
Sunny. Winds easterly 15 to 20 km/h becoming light in the middle of the day then becoming easterly 15 to 20 km/h in the late evening.
Gulf St Vincent Coastal Waters
- Wind
- East to northeasterly 10 to 15 knots turning south to southeasterly in the late morning then tending east to southeasterly in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- A high pressure system centred to the southeast will continue to move eastwards over Victoria and over the Tasman Sea on Tuesday. This high will continue to extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday.
Port Gawler Beach Temperature Statistics View More
September Temperature
Edinburgh RAAF Base (18km)
Lowest 8 September, 2026
3.2 °CAverage September
14 °CHighest 19 September, 2026
26.8 °C
Climate (2021–2026)
Edinburgh RAAF Base (18km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
23.2 °C