Sleaford Islands Weather Forecast

    • 13
    • 22

    Partly cloudy

    • 14
    • 22

    Cloudy

    • 13
    • 21

    Cloudy

    • 13
    • 23

    Partly cloudy

    • 14
    • 25

    Sunny

    • 15
    • 32

    Sunny

    • 16
    • 33

    Sunny

Today 22 Dec Port Lincoln

Partly cloudy. Slight chance of a shower later tonight. Winds southwesterly 20 to 30 km/h becoming light in the late evening.

Central Coastal Waters

Wind
Westerly 10 to 15 knots turning southwesterly in the late afternoon. Winds reaching up to 20 knots inshore in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Islands Temperature Statistics View More

December Temperature

Port Lincoln Airport (38km)

  • Lowest 7 December, 2025

    8.1 °C

  • Average December

    18.8 °C

  • Highest 18 December, 2025

    42.7 °C

Climate (2020–Present)

Port Lincoln Airport (38km)

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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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