Sleaford Islands Weather Forecast

    • 5
    • 19

    Clear

    • 8
    • 19

    Mostly sunny

    • 9
    • 19

    Partly cloudy

    • 9
    • 18

    Cloudy

    • 10
    • 16

    Showers

    • 8
    • 15

    Cloudy

    • 7
    • 15

    Cloudy

Today 18 Jul Port Lincoln

Clear. Light winds.

Central Coastal Waters

Wind
Northerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Weather
Mostly clear.
Weather Situation
A strong high pressure system lies over Victoria and will continue to extend a ridge over South Australia until later Tuesday. A weak trough will develop in the west on Tuesday, ahead of a cold front that is expected to extend over southern districts during Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Islands Temperature Statistics View More

July Temperature

Port Lincoln Airport (38km)

  • Lowest 17 July, 2026

    1.6 °C

  • Average July

    11.3 °C

  • Highest 9 July, 2026

    17.6 °C

Climate (2021–2026)

Port Lincoln Airport (38km)

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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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