Tumby Bay Weather Forecast

    • 14
    • 18

    Rain

    • 8
    • 16

    Shower

    • 10
    • 16

    Shower

    • 9
    • 16

    Shower

    • 7
    • 16

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 8
    • 17

    Partly cloudy

Today 17 Jun Lower Eyre Peninsula

Cloudy. Very high chance of rain, becoming less likely this evening. The chance of a thunderstorm during the morning and afternoon. Heavy falls possible. Winds northerly 20 to 30 km/h turning northwesterly in the late afternoon. Daytime maximum temperatures around 18.

Spencer Gulf Coastal Waters

Wind
Northerly 15 to 20 knots, reaching up to 30 knots south of Cowell to Wallaroo in the early afternoon. Winds turning northwesterly in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres around midday.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over eastern parts of SA. A low pressure system south of the Bight will remain slow-moving until later Thursday when it will move southeastwards. An associated cold front will move across SA today followed by a second front later Thursday and Friday. A high pressure system will move across from the west over the weekend.
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

    13.7 °C

  • Highest 12 June, 2026

    23.5 °C

Climate (2021–Present)

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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