Sleaford Bay Weather Forecast

    • 11
    • 20

    Shower or two

    • 12
    • 18

    Cloudy

    • 12
    • 19

    Shower or two

    • 12
    • 19

    Shower or two

    • 12
    • 20

    Shower or two

    • 12
    • 20

    Possible shower

    • 11
    • 22

    Mostly sunny

Today 6 May Port Lincoln

Partly cloudy. High chance of showers, most likely in the afternoon and evening. Winds southwesterly 20 to 30 km/h tending southerly 25 to 30 km/h in the late afternoon.

Central Coastal Waters

Wind
West to southwesterly 15 to 20 knots turning southerly 20 to 25 knots in the afternoon. Winds reaching up to 30 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A ridge of high pressure over SA will weaken briefly as a cold front crosses the southeast on Wednesday afternoon. The ridge will begin to re-establish in the wake of the front and stabilise over SA with the strong high pressure centre moving into the Bight over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Bay Temperature Statistics View More

May Temperature

Port Lincoln Airport (30km)

  • Lowest 5 May, 2026

    11 °C

  • Average May

    16.7 °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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