Sleaford Islands Weather Forecast

    • 8
    • 20

    Showers increasing

    • 10
    • 18

    Shower or two

    • 7
    • 19

    Partly cloudy

    • 7
    • 19

    Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 7
    • 18

    Cloudy

    • 10
    • 18

    Shower or two

Today 18 Aug Port Lincoln

Sunny morning. Very high chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the evening. Light winds becoming north to northeasterly 15 to 25 km/h in the morning then tending north to northwesterly 20 to 25 km/h in the evening.

Central Coastal Waters

Wind
North to northeasterly 15 to 20 knots turning northwesterly 20 to 25 knots in the evening.
Seas
1 to 2 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Islands Temperature Statistics View More

August Temperature

Port Lincoln Airport (38km)

  • Lowest 1 August, 2026

    2.6 °C

  • Average August

    12.1 °C

  • Highest 8 August, 2026

    19.7 °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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