Boston Island Weather Forecast

    • 15
    • 23

    Partly cloudy

    • 15
    • 23

    Partly cloudy

    • 16
    • 25

    Cloud clearing

    • 16
    • 28

    Mostly sunny

    • 17
    • 27

    Partly cloudy

    • 17
    • 27

    Partly cloudy

    • 17
    • 28

    Partly cloudy

Today 15 Jan Port Lincoln

Partly cloudy. Slight chance of a shower this morning. Winds southerly 25 to 40 km/h tending southeasterly 25 to 35 km/h in the evening.

Spencer Gulf Coastal Waters

Wind
Southerly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds turning southeasterly in the late evening.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure south of SA will persist over the coming days, with the high centre moving to the south of the Bight today. The high will continue moving eastwards into the Tasman Sea later over the weekend with the ridge lingering into Saturday. On Sunday a trough will begin to move in from the west, reaching central districts by the 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

    19.9 °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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