Sleaford Bay Weather Forecast

    • 9
    • 18

    Showers. Becoming windy

    • 9
    • 16

    Possible shower

    • 10
    • 17

    Shower or two

    • 9
    • 17

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 8
    • 18

    Partly cloudy

    • 8
    • 20

    Mostly sunny

Today 19 Sep Port Lincoln

Partly cloudy. High chance of showers, most likely during this afternoon and evening. Winds northwesterly 15 to 20 km/h tending westerly 30 to 45 km/h in the morning then tending southwesterly 25 to 35 km/h in the late afternoon.

Central Coastal Waters

Wind
Westerly 25 to 30 knots turning southwesterly 20 to 30 knots in the early afternoon.
Seas
2 to 3 metres.
1st Swell
Westerly 2.5 to 3 metres, tending southwesterly 3 to 5 metres by early evening.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A cold front will move over SA coasts during Friday afternoon and evening then a southwesterly airstream will follow the front and will persist over the weekend. A high pressure system centred west of Perth will extend a ridge across the north of SA over the weekend then the high will become centred over the Bight early next week and the ridge will move over southern SA.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Bay Temperature Statistics View More

September Temperature

Port Lincoln Airport (30km)

  • Lowest 2 September, 2025

    4 °C

  • Average September

    12.9 °C

  • Highest 6 September, 2025

    27.5 °C

Climate (2020–Present)

Port Lincoln Airport (30km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
Get WillyWeather+ to remove ads