Sleaford Bay Weather Forecast

    • 12
    • 21

    Cloudy

    • 11
    • 22

    Partly cloudy

    • 11
    • 21

    Partly cloudy

    • 12
    • 21

    Shower or two

    • 11
    • 18

    Shower or two

    • 11
    • 18

    Shower or two

    • 10
    • 18

    Possible shower

Today 20 May Port Lincoln

Cloudy. Slight chance of a shower. Winds southwesterly 15 to 20 km/h becoming light in the late afternoon.

Central Coastal Waters

Wind
Variable below 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Bay Temperature Statistics View More

May Temperature

Port Lincoln Airport (30km)

  • Lowest 18 May, 2026

    8.6 °C

  • Average May

    15.5 °C

  • Highest 1 May, 2026

    30.6 °C

Climate (2021–Present)

Port Lincoln Airport (30km)

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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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