Sleaford Bay Weather Forecast

    • 13
    • 22

    Cloudy

    • 13
    • 22

    Partly cloudy

    • 13
    • 24

    Cloud clearing

    • 14
    • 30

    Sunny

    • 16
    • 34

    Sunny

    • 17
    • 33

    Mostly sunny

    • 16
    • 24

    Cloudy

Today 24 Dec Port Lincoln

Cloudy. Winds southerly 25 to 30 km/h tending southeasterly 20 to 25 km/h in the late evening.

Central Coastal Waters

Wind
Southerly 15 to 20 knots turning southeasterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy.
Weather Situation
A broad ridge of high pressure persists across South Australia this week as the high pressure centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be south of Tasmania on Saturday. The next cold front crosses south of the Bight on Sunday dragging a low pressure trough across western parts of the State.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Bay Temperature Statistics View More

December Temperature

Port Lincoln Airport (30km)

  • Lowest 7 December, 2025

    8.1 °C

  • Average December

    18.7 °C

  • Highest 18 December, 2025

    42.7 °C

Climate (2020–Present)

Port Lincoln Airport (30km)

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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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