Sleaford Islands Weather Forecast

    • 9
    • 18

    Cloudy

    • 10
    • 16

    Cloudy

    • 10
    • 17

    Partly cloudy

    • 10
    • 20

    Sunny

    • 12
    • 25

    Partly cloudy

    • 14
    • 24

    Possible shower

    • 12
    • 22

    Shower or two

Today 8 Sep Port Lincoln

Cloudy. Slight chance of a shower in the late afternoon and evening. Winds easterly 15 to 20 km/h becoming light before dawn then becoming southerly 20 to 30 km/h in the middle of the day.

Central Coastal Waters

Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming southerly 15 to 25 knots in the middle of the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Islands Temperature Statistics View More

September Temperature

Port Lincoln Airport (38km)

  • Lowest 2 September, 2026

    8.2 °C

  • Average September

    14 °C

  • Highest 4 September, 2026

    25.1 °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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