Boston Island Weather Forecast

    • 22
    • 30

    Mostly sunny

    • 18
    • 25

    Partly cloudy

    • 18
    • 27

    Partly cloudy

    • 19
    • 29

    Mostly sunny

    • 18
    • 24

    Partly cloudy

    • 16
    • 22

    Cloudy

    • 14
    • 21

    Partly cloudy

Today 27 Jan Port Lincoln

Mostly sunny. Winds north to northeasterly 15 to 20 km/h shifting south to southwesterly 25 to 35 km/h in the morning.

Spencer Gulf Coastal Waters

Wind
North to northeasterly 10 to 15 knots shifting south to southwesterly 15 to 25 knots during the morning and early afternoon. Winds reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 2 metres around midday.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
Weather
Mostly sunny morning. The chance of a thunderstorm with little or no rainfall north of Cowell to Wallaroo in the late afternoon and evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Island Temperature Statistics View More

January Temperature

Port Lincoln Airport (11km)

  • Lowest 6 January, 2026

    11.9 °C

  • Average January

    20.1 °C

  • Highest 7 January, 2026

    44.5 °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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