Sleaford Islands Weather Forecast

    • 10
    • 17

    Cloud clearing

    • 9
    • 24

    Sunny

    • 12
    • 27

    Sunny

    • 13
    • 21

    Partly cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 24

    Partly cloudy

Today 17 Sep Port Lincoln

Cloud clearing. Winds easterly 15 to 20 km/h tending northeasterly in the early morning then becoming light in the late afternoon.

Central Coastal Waters

Wind
Easterly 10 to 15 knots turning northeasterly in the early morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloud clearing.
Weather Situation
A strong high pressure system south of the state will maintain a ridge across SA for the next few days as it drifts eastwards, to be located over NSW from Friday. A cold front is then likely to approach from the west late Saturday and move across SA on Sunday.
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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 11 September, 2026

    5.6 °C

  • Average September

    13.7 °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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