Tumby Bay Weather Forecast

    • 16
    • 28

    Shower

    • 12
    • 21

    Shower

    • 11
    • 22

    Partly cloudy

    • 11
    • 25

    Partly cloudy

    • 14
    • 28

    Partly cloudy

    • 15
    • 30

    Sunny

    • 16
    • 30

    Partly cloudy

Today 25 Apr Lower Eyre Peninsula

Partly cloudy. Very high chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the evening. Winds northerly 20 to 30 km/h shifting west to southwesterly in the middle of the day then becoming light in the evening. Overnight temperatures falling to around 15 with daytime temperatures reaching the mid to high 20s.

Spencer Gulf Coastal Waters

Wind
Northerly 10 to 15 knots, reaching up to 20 knots south of Port Neill to Port Victoria during the morning and early afternoon. Winds shifting south to southwesterly in the late afternoon then tending west to southwesterly in the late evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria during the afternoon.
Weather
Becoming cloudy. 60% chance of showers. The chance of a thunderstorm in the evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tumby Bay Temperature Statistics View More

April Temperature

Port Lincoln Airport (32km)

  • Lowest 14 April, 2026

    8.8 °C

  • Average April

    17.6 °C

  • Highest 21 April, 2026

    33.1 °C

Climate (2021–Present)

Port Lincoln Airport (32km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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