Sleaford Islands Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 11
    • 17

    Showers

    • 11
    • 18

    Shower or two

    • 6
    • 18

    Partly cloudy

    • 7
    • 16

    Mostly sunny

    • 6
    • 18

    Sunny

    • 7
    • 19

    Sunny

Today 12 Jul Port Lincoln

Partly cloudy. Slight chance of a shower. Winds westerly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

Central Coastal Waters

Wind
Westerly 20 to 25 knots, reaching up to 30 knots in the late afternoon.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A ridge of high pressure lies over northern SA. A cold front will pass across southeastern SA on Monday before a strong high pressure system moves east mid week and begins to dominate the weather pattern.
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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 4 July, 2026

    4.7 °C

  • Average July

    11.6 °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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