Boston Island Weather Forecast

    • 9
    • 16

    Cloudy

    • 8
    • 17

    Cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 21

    Mostly sunny

    • 9
    • 20

    Possible late shower

    • 10
    • 18

    Showers

    • 9
    • 15

    Showers

Today 17 Jun Port Lincoln

Cloudy. Slight chance of a shower. Light winds.

Spencer Gulf Coastal Waters

Wind
West to southwesterly 10 to 15 knots becoming variable below 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
South to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Cloudy.
Weather Situation
A ridge of high pressure will become established over the coastal waters from today. As the high moves eastwards on Wednesday a northerly airstream will develop over coastal waters and persist until the end of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Island Temperature Statistics View More

June Temperature

Port Lincoln Airport (11km)

  • Lowest 1 June, 2025

    6.1 °C

  • Average June

    12.5 °C

  • Highest 2 June, 2025

    22.3 °C

Climate (2020–Present)

Port Lincoln Airport (11km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
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