Sleaford Islands Weather Forecast

    • 15
    • 31

    Partly cloudy

    • 18
    • 30

    Mostly sunny

    • 17
    • 23

    Cloudy

    • 14
    • 19

    Cloudy

    • 13
    • 19

    Cloudy

    • 13
    • 20

    Cloudy

    • 13
    • 22

    Partly cloudy

Today 23 Mar Port Lincoln

Partly cloudy. Slight chance of a shower during this afternoon and evening. Light winds becoming southerly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

Central Coastal Waters

Wind
East to northeasterly 10 to 15 knots becoming variable below 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon, then increasing to 1.5 to 2 metres later in the evening.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman sea, extends a ridge over southern SA. A broad trough moves over SA early in the week, then a cold front clips the southeast and an upper trough moves up over SA Wednesday and Thursday. A new ridge develops south of the Bight mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sleaford Islands Temperature Statistics View More

March Temperature

Port Lincoln Airport (38km)

  • Lowest 21 March, 2026

    11.4 °C

  • Average March

    18.6 °C

  • Highest 10 March, 2026

    34.6 °C

Climate (2021–Present)

Port Lincoln Airport (38km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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