Sleaford Islands Weather Forecast

    • 16
    • 26

    Shower or two

    • 12
    • 22

    Possible shower

    • 11
    • 21

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 14
    • 27

    Partly cloudy

    • 17
    • 29

    Sunny

    • 18
    • 28

    Possible shower

Today 25 Apr Port Lincoln

Cloudy. Very high chance of showers. The chance of a thunderstorm later tonight. Winds westerly 15 to 20 km/h becoming light in the late afternoon.

Central Coastal Waters

Wind
West to northwesterly 10 to 15 knots turning southwesterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm at night.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge over SA. A cold front over the state will weaken and clear to the east early Sunday. A new high pressure system will develop in the Bight on Sunday, drifting east early next week to merge with the strong high in the Tasman Sea.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Islands Temperature Statistics View More

April Temperature

Port Lincoln Airport (38km)

  • Lowest 14 April, 2026

    8.8 °C

  • Average April

    17.6 °C

  • Highest 21 April, 2026

    33.1 °C

Climate (2021–Present)

Port Lincoln Airport (38km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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