Sleaford Islands Weather Forecast

    • 12
    • 19

    Possible shower

    • 11
    • 16

    Cloudy

    • 10
    • 17

    Cloudy

    • 10
    • 17

    Cloud clearing

    • 10
    • 24

    Sunny

    • 12
    • 27

    Sunny

    • 13
    • 20

    Cloudy

Today 14 Sep Port Lincoln

Cloudy. Medium chance of showers, most likely this evening. Winds west to southwesterly 15 to 25 km/h becoming light in the evening then becoming southwesterly 15 to 20 km/h in the late evening.

Central Coastal Waters

Wind
Westerly 10 to 15 knots tending southwesterly 15 to 20 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the west by early evening.
1st Swell
Southwesterly 2 to 2.5 metres, tending westerly 2.5 metres during the afternoon, then tending west to southwesterly 2 to 2.5 metres by early evening.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high pressure ridge builds across much of SA, as a cold front slips across southern coasts late today into early Tuesday. A high pressure system will then move across waters to the south throughout the week to be centred over Victoria by Thursday. A low pressure trough in the interior of WA may extend into far western parts at times before weakening by late Tuesday.
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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

    13.9 °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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