Boston Island Weather Forecast

    • 8
    • 20

    Shower or two

    • 9
    • 18

    Mostly sunny

    • 7
    • 23

    Sunny

    • 13
    • 21

    Showers

    • 12
    • 21

    Shower or two

    • 11
    • 22

    Possible shower

    • 11
    • 21

    Shower or two

Today 10 Nov Port Lincoln

Cloudy. Medium chance of showers, most likely this evening. Light winds becoming west to southwesterly 20 to 30 km/h in the morning.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 10 to 15 knots tending west to southwesterly in the morning then tending south to southwesterly 15 to 20 knots in the early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A high pressure system to the southwest of Perth extends a ridge over SA. A cold front is expected to pass over the south today as the high moves eastwards to a position south of the Bight during Tuesday, then over NSW on Wednesday. A low pressure system is expected to form over western parts of SA on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Island Temperature Statistics View More

November Temperature

Port Lincoln Airport (11km)

  • Lowest 3 November, 2025

    7.7 °C

  • Average November

    15.2 °C

  • Highest 6 November, 2025

    30.3 °C

Climate (2020–Present)

Port Lincoln Airport (11km)

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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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