Louth Island Weather Forecast

    • 10
    • 23

    Clear

    • 10
    • 29

    Sunny

    • 14
    • 24

    Partly cloudy

    • 14
    • 24

    Cloudy

    • 14
    • 26

    Sunny

    • 15
    • 31

    Mostly sunny

    • 15
    • 23

    Partly cloudy

Today 7 Dec Port Lincoln

Clear. Winds southeasterly 15 to 20 km/h tending southerly in the late afternoon then becoming light in the evening.

Spencer Gulf Coastal Waters

Wind
Southeast to southwesterly 10 to 15 knots becoming variable about 10 knots in the late evening.
Seas
Below 1 metre, increasing to around 1 metre north of Cowell to Wallaroo.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure system over the eastern Bight will continue to move eastwards, to be centred over the Tasman Sea by Monday. A weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. The high moves slowly eastwards to be centred over the Tasman Sea late Thursday.
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 2 December, 2025

    8.5 °C

  • Average December

    18.3 °C

  • Highest 3 December, 2025

    35.3 °C

Climate (2020–Present)

Port Lincoln Airport (7km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    21.3 °C
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