Boston Weather Forecast

    • 18
    • 25

    Mostly clear

    • 19
    • 27

    Partly cloudy

    • 20
    • 29

    Partly cloudy

    • 18
    • 24

    Cloudy

    • 16
    • 22

    Partly cloudy

    • 15
    • 23

    Partly cloudy

    • 14
    • 26

    Mostly sunny

Today 28 Jan Port Lincoln

Mostly clear. Winds southeasterly 30 to 35 km/h.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 20 to 25 knots, reaching up to 30 knots in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly around 1 metre south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A trough over northern parts of the SA will drift south again later this week as a high pressure system moves east into the Tasman Sea. The trough is forecast to move to the northeast on Saturday as a strong high pressure system extends a ridge into the Bight, with a south to southeasterly flow developing across the entire state by Sunday.
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  • Temperature Forecast Bureau of Meteorology

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Boston Temperature Statistics View More

January Temperature

Port Lincoln Airport (6km)

  • Lowest 6 January, 2026

    11.9 °C

  • Average January

    20.5 °C

  • Highest 7 January, 2026

    44.5 °C

Climate (2021–Present)

Port Lincoln Airport (6km)

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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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