Tumby Island Weather Forecast

    • 13
    • 22

    Windy

    • 9
    • 22

    Partly cloudy

    • 8
    • 30

    Sunny

    • 13
    • 23

    Partly cloudy

    • 14
    • 22

    Shower

    • 13
    • 27

    Partly cloudy

    • 15
    • 34

    Partly cloudy

Today 6 Dec Lower Eyre Peninsula

Partly cloudy. Slight chance of a shower near the west coast in the late morning and early afternoon. Near zero chance of rain elsewhere. Winds southwesterly 25 to 40 km/h turning southerly 20 to 30 km/h in the evening. Daytime maximum temperatures in the low 20s.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 25 knots turning southerly during the afternoon and evening. Winds reaching up to 30 knots during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A weak cold front will move across the southern coastal districts today as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure system develops south of the Bight on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Island Temperature Statistics View More

December Temperature

Port Lincoln Airport (31km)

  • Lowest 2 December, 2025

    8.5 °C

  • Average December

    18.5 °C

  • Highest 3 December, 2025

    35.3 °C

Climate (2020–Present)

Port Lincoln Airport (31km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    21.3 °C
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