Boston Weather Forecast

    • 7
    • 18

    Partly cloudy

    • 7
    • 23

    Sunny

    • 8
    • 18

    Shower or two. Becoming windy

    • 8
    • 17

    Shower or two

    • 10
    • 18

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 8
    • 18

    Cloudy

Today 17 Sep Port Lincoln

Partly cloudy. Slight chance of a shower during the morning and afternoon. Light winds becoming northwesterly 15 to 25 km/h in the middle of the day then becoming light in the late afternoon.

Spencer Gulf Coastal Waters

Wind
West to northwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming north to northeasterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge will move in from the west and quickly tracks eastwards during the day with a weak trough sweeping across the coasts on Thursday. A cold front will skim southern coasts on Friday with a southwesterly airstream establishing in its wake on Saturday as a high pressure ridge develops over the Far West Coast and persists during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Temperature Statistics View More

September Temperature

Port Lincoln Airport (6km)

  • Lowest 2 September, 2025

    4 °C

  • Average September

    13 °C

  • Highest 6 September, 2025

    27.5 °C

Climate (2020–Present)

Port Lincoln Airport (6km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
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