Port Gawler Beach Weather Forecast
- 14
- 24
Possible late shower
- 9
- 17
Partly cloudy
- 6
- 20
Sunny
- 9
- 25
Mostly sunny
- 13
- 29
Partly cloudy
- 15
- 28
Partly cloudy
- 14
- 26
Mostly sunny
Today 20 Sep Adelaide
Mostly sunny day. Medium chance of showers in the evening. Winds west to northwesterly 25 to 35 km/h tending west to southwesterly in the afternoon.
Gulf St Vincent Coastal Waters
- Wind
- West to northwesterly 15 to 20 knots tending west to southwesterly in the early afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre around midday, increasing to 1 to 1.5 metres south of Port Vincent to Brighton during the afternoon.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A cold front will cross the west of the state this morning and will track across the east of the state during the day. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will 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.
Port Gawler Beach Temperature Statistics View More
September Temperature
Edinburgh RAAF Base (18km)
Lowest 8 September, 2026
3.2 °CAverage September
13.6 °CHighest 12 September, 2026
24.1 °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