Second Beach Weather Forecast
- 12
- 24
Showers
- 11
- 18
Showers
- 11
- 19
Showers increasing. Windy
- 10
- 17
Shower or two. Windy
- 9
- 19
Cloudy
- 8
- 28
Sunny
- 18
- 29
Partly cloudy
Today 29 Sep Yorke Peninsula
Cloudy. High chance of showers, most likely late this afternoon and evening. The chance of a thunderstorm during this afternoon and evening. Winds north to northwesterly 15 to 25 km/h tending southeast to southwesterly 20 to 30 km/h in the early afternoon then tending west to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures 20 to 28.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly 15 to 20 knots shifting south to southwesterly in the late morning and afternoon. Winds reaching up to 30 knots north of Cowell to Wallaroo in the evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre around midday, then increasing to 1 to 2 metres by early evening.
- 1st Swell
- South to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
- Weather
- Cloudy. 80% chance of showers south of Cowell to Wallaroo, 50% chance elsewhere. The chance of a thunderstorm from late this morning.
- Weather Situation
- A high pressure system lies over SA and will move to the southeast on Monday ahead of a cold front. A new ridge of high pressure begins to develop from Tuesday across the west while a second cold front moves up over the southeast on Wednesday.
Second Beach Temperature Statistics View More
September Temperature
Minlaton Airport (24km)
Lowest 12 September, 2025
3.4 °CAverage September
13 °CHighest 6 September, 2025
25.3 °C
Climate (2020–Present)
Minlaton Airport (24km)
Average Low 2020–2025
11 °CAverage 2020–2025
16.1 °CAverage High 2020–2025
22.5 °C