Boston Island Weather Forecast

    • 16
    • 24

    Cloudy

    • 16
    • 22

    Cloudy

    • 15
    • 22

    Cloudy

    • 15
    • 29

    Mostly sunny

    • 18
    • 35

    Partly cloudy

    • 17
    • 26

    Partly cloudy

    • 17
    • 33

    Mostly sunny

Today 20 Jan Port Lincoln

Cloudy. Slight chance of a shower, most likely in the morning. Winds southerly 25 to 40 km/h.

Spencer Gulf Coastal Waters

Wind
Southerly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
2 to 3 metres.
1st Swell
South to southwesterly around 1 metre south of Cowell to Wallaroo.
Weather
Partly cloudy.
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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

    19.8 °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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