Tumby Bay Weather Forecast

    • 13
    • 31

    Partly cloudy

    • 18
    • 29

    Partly cloudy

    • 17
    • 28

    Shower

    • 13
    • 22

    Partly cloudy

    • 12
    • 23

    Partly cloudy

    • 12
    • 27

    Partly cloudy

    • 13
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    Partly cloudy

Today 23 Apr Lower Eyre Peninsula

Mostly sunny. The chance of fog early this morning, mainly near the east coast. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly 15 to 25 km/h during the morning. Daytime maximum temperatures in the low 30s.

Spencer Gulf Coastal Waters

Wind
East to northeasterly 10 to 15 knots tending north to northeasterly in the morning. Winds reaching up to 20 knots south of Cowell to Wallaroo during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the morning.
Weather
Sunny.
Weather Situation
A strong high pressure system east of Tasmania will maintain a ridge over SA this week. A cold front will pass over the south again on Saturday and weaken with a high pressure system to follow over waters south of the Bight on Sunday.
Graph Plots Open in Graphs

  • 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

    17.3 °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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