Tumby Bay Weather Forecast

    • 9
    • 17

    Partly cloudy

    • 5
    • 18

    Cloudy

    • 6
    • 25

    Sunny

    • 7
    • 18

    Shower

    • 8
    • 17

    Cloudy

    • 9
    • 19

    Partly cloudy

    • 9
    • 17

    Partly cloudy

Today 16 Sep Lower Eyre Peninsula

Partly cloudy. Slight chance of a shower. Winds westerly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

Spencer Gulf Coastal Waters

Wind
Westerly 15 to 20 knots, reaching up to 25 knots south of Port Neill to Port Victoria.
Seas
Around 1 metre, increasing to 1.5 to 2 metres south of Cowell to Wallaroo.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Mostly clear.
Weather Situation
A high pressure ridge will move in from the west and quickly track eastwards through Wednesday with a weak trough sweeping across the coasts on Thursday. A cold front will skim southern coasts on Friday with a southwesterly airstream establishing in its wake on Saturday as a high pressure ridge develops over the Far West Coast.
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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 2 September, 2025

    4 °C

  • Average September

    13.2 °C

  • Highest 6 September, 2025

    27.5 °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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