Sleaford Bay Weather Forecast

    • 11
    • 26

    Mostly sunny

    • 13
    • 26

    Shower or two

    • 13
    • 23

    Shower or two

    • 12
    • 20

    Possible shower

    • 12
    • 24

    Partly cloudy

    • 14
    • 29

    Mostly sunny

    • 15
    • 24

    Showers

Today 23 Sep Port Lincoln

Mostly sunny. Winds northeasterly 15 to 20 km/h becoming light in the early afternoon.

Central Coastal Waters

Wind
Northeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday, before being confined to the west over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Bay Temperature Statistics View More

September Temperature

Port Lincoln Airport (30km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    13.9 °C

  • Highest 19 September, 2026

    28.4 °C

Climate (2021–2026)

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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