Louth Bay Weather Forecast

    • 8
    • 16

    Cloudy

    • 8
    • 18

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 10
    • 18

    Shower or two

    • 10
    • 17

    Shower or two clearing

    • 6
    • 18

    Cloudy

    • 8
    • 20

    Shower or two

Today 21 Aug Port Lincoln

Cloudy. Winds southwesterly 15 to 20 km/h tending westerly in the early afternoon then becoming light in the late afternoon.

Spencer Gulf Coastal Waters

Wind
West to southwesterly about 10 knots increasing to 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Cloudy.
Weather Situation
A high pressure system moves into the west on Friday and continues moving slowly eastwards to be situated in the Tasman Sea on Sunday. A low pressure system and associated trough move into the far west on Sunday and then moves across the state on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Louth Bay Temperature Statistics View More

August Temperature

Port Lincoln Airport (8km)

  • Lowest 1 August, 2026

    2.6 °C

  • Average August

    12.2 °C

  • Highest 18 August, 2026

    20.3 °C

Climate (2021–2026)

Port Lincoln Airport (8km)

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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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