Tumby Bay Weather Forecast

    • 6
    • 20

    Partly cloudy

    • 9
    • 25

    Shower

    • 12
    • 21

    Partly cloudy

    • 10
    • 28

    Partly cloudy

    • 14
    • 22

    Shower

    • 9
    • 17

    Shower

    • 9
    • 18

    Shower

Today 29 Oct Lower Eyre Peninsula

Partly cloudy. Light winds becoming southeast to southwesterly 15 to 25 km/h in the early afternoon then becoming light in the late evening. Daytime maximum temperatures in the low 20s.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system well south of the state will extend a ridge coastal waters until a trough begins to enter in the west early Thursday. This trough and a weak embedded low pressure system will sweep across waters on Thursday with a weak high pressure system developing in the Bight on Friday. This high will move eastwards, making way for cold front moving into the west late Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Bay Temperature Statistics View More

October Temperature

Port Lincoln Airport (32km)

  • Lowest 15 October, 2025

    4.8 °C

  • Average October

    15.4 °C

  • Highest 4 October, 2025

    34 °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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