Sleaford Islands Weather Forecast

    • 12
    • 21

    Mostly clear

    • 11
    • 23

    Cloud clearing

    • 12
    • 31

    Partly cloudy

    • 15
    • 26

    Shower or two

    • 13
    • 20

    Showers increasing

    • 11
    • 19

    Shower or two

    • 10
    • 19

    Shower or two

Today 20 Oct Port Lincoln

Mostly clear. Winds southerly 15 to 20 km/h.

Central Coastal Waters

Wind
South to southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Mostly clear.
Weather Situation
A trough of low pressure lingers about the east, before weakening from late Wednesday. A slow moving high pressure system in the Tasman Sea will re-establish a ridge across southern parts from Wednesday. A trough is then forecast to briefly move into the west on Thursday, before another trough and cold front move more broadly across SA on Friday and Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Islands Temperature Statistics View More

October Temperature

Port Lincoln Airport (38 km)

  • Lowest 8 October, 2026

    8.3 °C

  • Average October

    16 °C

  • Highest 8 October, 2026

    32.1 °C

Climate (2021–2026)

Port Lincoln Airport (38 km)

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  • Average Low 2021–2026

    11.6 °C

  • Average 2021–2026

    15.9 °C

  • Average High 2021–2026

    21.3 °C
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