The Brothers Weather Forecast

    • 10
    • 17

    Cloudy

    • 6
    • 20

    Sunny

    • 10
    • 27

    Sunny

    • 15
    • 28

    Cloudy

    • 13
    • 27

    Partly cloudy

    • 14
    • 28

    Partly cloudy

    • 15
    • 29

    Partly cloudy

Today 21 Sep Lower Eyre Peninsula

Cloudy. Winds southeasterly 15 to 25 km/h. Daytime maximum temperatures around 16.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Southeasterly 10 to 15 knots turning easterly in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Cloudy.
Weather Situation
A high pressure system will move eastwards across waters to the south today 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. The trough will slip southeastwards over the Bight during Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Brothers Temperature Statistics View More

September Temperature

Port Lincoln Airport (46km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    14.2 °C

  • Highest 19 September, 2026

    28.4 °C

Climate (2021–2026)

Port Lincoln Airport (46km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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