Sleaford Bay Weather Forecast

    • 10
    • 18

    Shower or two

    • 8
    • 19

    Shower or two

    • 9
    • 18

    Cloudy

    • 8
    • 18

    Partly cloudy

    • 8
    • 19

    Possible shower

    • 9
    • 18

    Showers

    • 8
    • 18

    Showers

Today 19 Aug Port Lincoln

Partly cloudy. High chance of showers, becoming less likely this afternoon. Winds northwesterly 20 to 25 km/h tending westerly 20 to 30 km/h in the morning then becoming light in the evening.

Central Coastal Waters

Wind
Westerly 15 to 25 knots, reaching up to 30 knots in the west in the late morning. Winds decreasing to 10 to 15 knots in the late evening.
Seas
2 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres during the morning.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A cold front moving through the Bight will clip the south on Wednesday, before clearing to the east late. An upper level feature lingers over the pastoral districts on Thursday, clearing to the northeast on Friday. A high pressure ridge is expected to approach South Australia on Thursday from the west and continue to move east over the state on the weekend. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Bay Temperature Statistics View More

August Temperature

Port Lincoln Airport (30km)

  • Lowest 1 August, 2026

    2.6 °C

  • Average August

    12 °C

  • Highest 8 August, 2026

    19.7 °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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