The Brothers Weather Forecast
- 13
- 25
Shower or two developing
- 12
- 22
Shower or two
- 11
- 18
Showers
- 10
- 18
Partly cloudy
- 10
- 23
Partly cloudy
- 15
- 26
Shower or two
- 12
- 23
Shower or two
Today 24 Sep Lower Eyre Peninsula
Cloudy. Medium chance of showers, most likely in the evening. Winds northerly 15 to 25 km/h shifting west to southwesterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures in the mid to high 20s.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- North to northwesterly 10 to 15 knots shifting south to southwesterly below 10 knots in the late afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
- Weather
- Cloudy. 60% chance of showers.
- Weather Situation
- A high pressure system centred over the Tasman Sea extends a ridge westwards over central and eastern SA and a low pressure trough extends from WA over western SA. This trough will be very slow-moving for the rest of the week and over the weekend and the ridge will move away to the east. A weakening cold front will slip across southern coasts late Thursday and early Friday.
The Brothers Temperature Statistics View More
September Temperature
Port Lincoln Airport (46km)
Lowest 18 September, 2026
3.3 °CAverage September
13.8 °CHighest 19 September, 2026
28.4 °C
Climate (2021–2026)
Port Lincoln Airport (46km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C