Tumby Bay Weather Forecast

    • 10
    • 15

    Shower

    • 8
    • 15

    Shower

    • 6
    • 16

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 8
    • 16

    Cloudy

    • 7
    • 17

    Sunny

Today 20 Jun Lower Eyre Peninsula

Partly cloudy. Medium chance of showers. Winds southerly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures around 15.

Spencer Gulf Coastal Waters

Wind
Southerly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday.
1st Swell
South to southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A high pressure system will become established over the Bight during today before moving slowly eastwards during Sunday and Monday. A low pressure trough will move across southern coastal districts on Tuesday then another high will move across waters to the south.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Bay Temperature Statistics View More

June Temperature

Port Lincoln Airport (32km)

  • Lowest 11 June, 2026

    5.9 °C

  • Average June

    13.6 °C

  • Highest 12 June, 2026

    23.5 °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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