Tumby Bay Weather Forecast

    • 15
    • 29

    Clear

    • 14
    • 35

    Sunny

    • 17
    • 35

    Partly cloudy

    • 15
    • 22

    Windy

    • 14
    • 22

    Cloudy

    • 14
    • 24

    Partly cloudy

    • 14
    • 27

    Partly cloudy

Today 27 Dec Lower Eyre Peninsula

Clear. Winds east to southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

Spencer Gulf Coastal Waters

Wind
East to southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Clear.
Weather Situation
A high pressure system centred near Tasmania maintains a broad ridge over most of South Australia, with a trough crossing the Bight. The high centre moves eastward into the Tasman Sea on Sunday and Monday while the trough builds over central SA and slowly moves eastward. The trough moves into the northeast of SA on Wednesday while a high passes south of the Bight.
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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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