Tumby Bay Weather Forecast

    • 14
    • 22

    Partly cloudy

    • 15
    • 30

    Sunny

    • 15
    • 36

    Sunny

    • 17
    • 35

    Partly cloudy

    • 15
    • 23

    Cloudy

    • 13
    • 21

    Cloudy

    • 12
    • 21

    Cloudy

Today 26 Dec Lower Eyre Peninsula

Mostly sunny. Winds southeasterly 20 to 30 km/h turning easterly 25 to 35 km/h in the early morning. Daytime maximum temperatures 23 to 29.

Spencer Gulf Coastal Waters

Wind
East to southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Sunny.
Weather Situation
A high pressure centre lies south of the Bight and will slowly continue eastwards during today, to be south of Tasmania on Saturday. The next cold front crosses south of the Bight on Sunday dragging a low pressure trough across western parts of the State. The trough is expected to reach central parts on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Bay Temperature Statistics View More

December Temperature

Port Lincoln Airport (32km)

  • Lowest 7 December, 2025

    8.1 °C

  • Average December

    18.5 °C

  • Highest 18 December, 2025

    42.7 °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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