Tumby Bay Weather Forecast

    • 5
    • 16

    Cloudy

    • 7
    • 18

    Partly cloudy

    • 7
    • 18

    Shower

    • 11
    • 18

    Shower

    • 8
    • 14

    Shower

    • 9
    • 16

    Shower

    • 8
    • 16

    Shower

Today 5 Aug Lower Eyre Peninsula

Partly cloudy. Medium chance of showers, most likely this morning. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly during the morning and early afternoon. Daytime maximum temperatures around 17.

Spencer Gulf Coastal Waters

Wind
North to northeasterly 10 to 15 knots becoming north to northwesterly about 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy.
Weather Situation
A weak high pressure system over SA will slowly move over southeastern Australia this week while maintaining a ridge over SA. A trough will pass by the coast mid week before a stronger cold front begins to move into the Bight this weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Bay Temperature Statistics View More

August Temperature

Port Lincoln Airport (32km)

  • Lowest 1 August, 2026

    2.6 °C

  • Average August

    10.9 °C

  • Highest 1 August, 2026

    16.3 °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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