Tumby Bay Weather Forecast

    • 8
    • 19

    Clear

    • 10
    • 18

    Shower

    • 7
    • 15

    Shower

    • 6
    • 16

    Shower

    • 8
    • 17

    Shower

    • 8
    • 16

    Shower

    • 7
    • 17

    Partly cloudy

Today 12 Jul Lower Eyre Peninsula

Clear. Winds northerly 20 to 30 km/h.

Spencer Gulf Coastal Waters

Wind
Northerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres near the Yorke Peninsula coast.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure system over eastern NSW maintains a ridge over coastal waters Saturday evening. A cold front will move across coastal waters during Sunday, followed by a low pressure system moving over western waters on Monday. A ridge of high pressure extends across coastal waters on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Bay Temperature Statistics View More

July Temperature

Port Lincoln Airport (32km)

  • Lowest 2 July, 2025

    3.9 °C

  • Average July

    12.1 °C

  • Highest 3 July, 2025

    19.6 °C

Climate (2020–Present)

Port Lincoln Airport (32km)

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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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