Boston Island Weather Forecast

    • 7
    • 16

    Shower or two

    • 8
    • 17

    Cloudy

    • 7
    • 16

    Shower or two

    • 8
    • 16

    Shower or two

    • 9
    • 16

    Possible shower

    • 8
    • 16

    Mostly sunny

    • 9
    • 19

    Shower or two

Today 12 Aug Port Lincoln

Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Winds southwesterly 15 to 25 km/h becoming light in the evening.

Spencer Gulf Coastal Waters

Wind
West to southwesterly 10 to 15 knots, reaching up to 20 knots south of Port Neill to Port Victoria in the late afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will extend into South Australia from the west this evening, with the associated high to move over the state on Thursday. The high will then gradually drift to the southeast to be located in vicinity of Tasmania over the weekend, with a ridge expected to remain over South Australia.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Island Temperature Statistics View More

August Temperature

Port Lincoln Airport (11km)

  • Lowest 1 August, 2026

    2.6 °C

  • Average August

    11.8 °C

  • Highest 8 August, 2026

    19.7 °C

Climate (2021–2026)

Port Lincoln Airport (11km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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