Louth Island Weather Forecast

    • 18
    • 32

    Becoming cloudy

    • 15
    • 22

    Cloudy

    • 13
    • 22

    Partly cloudy

    • 13
    • 24

    Mostly sunny

    • 15
    • 28

    Sunny

    • 15
    • 26

    Partly cloudy

    • 14
    • 25

    Cloud clearing

Today 29 Dec Port Lincoln

Becoming cloudy. Winds south to southwesterly 25 to 35 km/h.

Spencer Gulf Coastal Waters

Wind
North to northeasterly 10 to 15 knots shifting south to southwesterly 15 to 25 knots in the late morning. Winds reaching up to 30 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2 metres by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
Weather
Sunny.
Weather Situation
A trough lies over western and central parts of SA and will slowly move eastwards today and Tuesday. A ridge of high pressure will begin to move south of the Bight on Tuesday, with the trough expected to move into the northeast on Wednesday and linger there for the remainder of the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Louth Island Temperature Statistics View More

December Temperature

Port Lincoln Airport (7km)

  • Lowest 7 December, 2025

    8.1 °C

  • Average December

    18.6 °C

  • Highest 18 December, 2025

    42.7 °C

Climate (2020–Present)

Port Lincoln Airport (7km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
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