Tumby Bay Weather Forecast

    • 15
    • 19

    Partly cloudy

    • 11
    • 19

    Cloudy

    • 11
    • 16

    Cloudy

    • 10
    • 15

    Cloudy

    • 9
    • 17

    Sunny

    • 9
    • 24

    Sunny

    • 13
    • 28

    Sunny

Today 13 Sep Lower Eyre Peninsula

Partly cloudy. Medium chance of showers near the west coast, slight chance elsewhere. Winds westerly 25 to 35 km/h decreasing to 15 to 20 km/h in the evening then becoming light in the late evening. Daytime maximum temperatures around 20.

Spencer Gulf Coastal Waters

Wind
West to northwesterly 15 to 20 knots tending west to southwesterly in the late morning and early afternoon.
Seas
1 to 1.5 metres.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A trough will move across SA today ahead of a high pressure ridge that will build in the wake. A cold front will then slip across southern coasts late Monday and early Tuesday, before the high moves across waters to the south to be centred over Victoria by Thursday.
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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 11 September, 2026

    5.6 °C

  • Average September

    13.4 °C

  • Highest 4 September, 2026

    25.1 °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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