Sleaford Bay Weather Forecast

    • 11
    • 16

    Cloudy

    • 11
    • 17

    Cloud clearing

    • 10
    • 19

    Mostly sunny

    • 10
    • 23

    Mostly sunny

    • 14
    • 24

    Shower or two

    • 13
    • 22

    Possible shower

    • 11
    • 17

    Possible shower

Today 9 Sep Port Lincoln

Cloudy. Winds southeasterly 25 to 40 km/h tending easterly 30 to 35 km/h in the late evening.

Central Coastal Waters

Wind
Southeasterly 20 to 25 knots turning easterly in the late evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system centred south of WA extends a ridge across the south of SA. The main high centre will move eastwards during the week to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of SA at times. Another low pressure trough will approach from the west on Saturday.
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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 8 September, 2026

    7.5 °C

  • Average September

    13.8 °C

  • Highest 4 September, 2026

    25.1 °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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