Boston Weather Forecast

    • 7
    • 15

    Mostly clear

    • 7
    • 16

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 9
    • 16

    Partly cloudy

    • 8
    • 16

    Mostly sunny

    • 8
    • 17

    Partly cloudy

Today 21 Jun Port Lincoln

Mostly clear. Slight chance of a shower early this evening. Light winds.

Spencer Gulf Coastal Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
Weather
Mostly clear.
Weather Situation
A high pressure system centred south of SA will move slowly eastwards during Sunday and Monday to be centred over NSW later Monday. A cold front will move across southern coastal districts late Tuesday or early Wednesday then a new high will move across waters to the south mid-week to be centred over Tasmania on Thursday.
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Boston Temperature Statistics View More

June Temperature

Port Lincoln Airport (6km)

  • Lowest 11 June, 2026

    5.9 °C

  • Average June

    13.4 °C

  • Highest 12 June, 2026

    23.5 °C

Climate (2021–2026)

Port Lincoln Airport (6km)

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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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