Boston Island Weather Forecast

    • 11
    • 27

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 10
    • 18

    Cloudy

    • 10
    • 17

    Cloudy

    • 10
    • 19

    Mostly sunny

    • 12
    • 22

    Partly cloudy

    • 12
    • 23

    Sunny

Today 11 Oct Port Lincoln

Partly cloudy. Winds southwesterly 15 to 20 km/h.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A trough and cold front located about central parts of SA continue crossing the state and clear to the east from Monday morning. A cool southwesterly airstream will follow as a high pressure system drifts eastwards across the Bight early this week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Island Temperature Statistics View More

October Temperature

Port Lincoln Airport (11 km)

  • Lowest 8 October, 2026

    8.3 °C

  • Average October

    15.4 °C

  • Highest 8 October, 2026

    32.1 °C

Climate (2021–2026)

Port Lincoln Airport (11 km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.9 °C

  • Average High 2021–2026

    21.3 °C
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