Tumby Bay Weather Forecast

    • 9
    • 18

    Clear

    • 9
    • 25

    Partly cloudy

    • 14
    • 28

    Cloudy

    • 14
    • 22

    Shower

    • 13
    • 19

    Cloudy

    • 12
    • 25

    Partly cloudy

    • 15
    • 28

    Partly cloudy

Today 22 Sep Lower Eyre Peninsula

Clear. Winds easterly 15 to 20 km/h.

Spencer Gulf Coastal Waters

Wind
Easterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
South to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday, before being confined to the west over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Bay Temperature Statistics View More

September Temperature

Port Lincoln Airport (32km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    14 °C

  • Highest 19 September, 2026

    28.4 °C

Climate (2021–2026)

Port Lincoln Airport (32km)

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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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