Boston Island Weather Forecast

    • 15
    • 24

    Mostly sunny

    • 16
    • 25

    Partly cloudy

    • 15
    • 22

    Partly cloudy

    • 15
    • 23

    Partly cloudy

    • 16
    • 26

    Cloud clearing

    • 17
    • 29

    Mostly sunny

    • 18
    • 29

    Sunny

Today 13 Jan Port Lincoln

Mostly sunny. Winds southeasterly 20 to 25 km/h.

Spencer Gulf Coastal Waters

Wind
Southeasterly 15 to 20 knots tending southeast to southwesterly 15 to 25 knots in the early afternoon then becoming southeasterly 15 to 20 knots in the late evening.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Sunny.
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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 °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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