Boston Island Weather Forecast

    • 10
    • 19

    Shower or two

    • 10
    • 18

    Cloudy

    • 7
    • 20

    Partly cloudy

    • 10
    • 25

    Possible shower

    • 11
    • 22

    Partly cloudy

    • 10
    • 27

    Mostly sunny

    • 15
    • 26

    Shower or two

Today 27 Oct Port Lincoln

Cloudy. Medium chance of showers, most likely during the morning and afternoon. Winds southerly 15 to 20 km/h tending southeasterly 25 to 35 km/h in the morning.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 20 knots turning south to southeasterly 15 to 25 knots early in the morning.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
1st Swell
South to southwesterly around 1 metre south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A high pressure system slowly moves over waters to the south early in the week. A trough moves into the far western waters late on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Island Temperature Statistics View More

October Temperature

Port Lincoln Airport (11km)

  • Lowest 15 October, 2025

    4.8 °C

  • Average October

    15.5 °C

  • Highest 4 October, 2025

    34 °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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