Boston Island Weather Forecast

    • 17
    • 25

    Shower or two

    • 17
    • 22

    Showers easing

    • 16
    • 23

    Cloudy

    • 17
    • 23

    Partly cloudy

    • 17
    • 24

    Partly cloudy

    • 17
    • 26

    Partly cloudy

    • 17
    • 25

    Partly cloudy

Today 15 Mar Port Lincoln

Cloudy. Medium chance of showers. Winds south to southeasterly 15 to 25 km/h becoming light in the late evening.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A trough over western and northern SA will continue to move northeast early in the week. A ridge of high pressure persists over the south. A cold front clips the southeast on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Island Temperature Statistics View More

March Temperature

Port Lincoln Airport (11km)

  • Lowest 5 March, 2026

    11.6 °C

  • Average March

    18.7 °C

  • Highest 10 March, 2026

    34.6 °C

Climate (2021–Present)

Port Lincoln Airport (11km)

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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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