Sleaford Islands Weather Forecast

    • 8
    • 16

    Showers

    • 7
    • 13

    Showers. Windy

    • 7
    • 14

    Cloudy

    • 7
    • 15

    Shower or two

    • 7
    • 16

    Possible shower

    • 6
    • 17

    Partly cloudy

    • 7
    • 20

    Sunny

Today 28 Aug Port Lincoln

Cloudy. Very high chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm in the morning and afternoon. Winds westerly 20 to 25 km/h increasing to 25 to 35 km/h in the morning then tending northwesterly 20 to 25 km/h in the late evening.

Central Coastal Waters

Wind
Westerly 25 to 30 knots.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres during the afternoon, then tending west to southwesterly 3 metres later in the evening.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm.
Weather Situation
A series of cold fronts and troughs move over coastal waters in coming days, clearing late Friday. A high pressure system will extend a ridge over western waters late Friday and more broadly over waters on Saturday, before centring over the Bight on Sunday.
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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 14 August, 2025

    2.7 °C

  • Average August

    11.7 °C

  • Highest 25 August, 2025

    21.8 °C

Climate (2020–Present)

Port Lincoln Airport (38km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
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