Tumby Bay Weather Forecast
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Shower
- 10
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Shower
- 11
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Shower
- 12
- 19
Shower
- 12
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Cloudy
- 10
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Shower
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Shower
Today 24 May Lower Eyre Peninsula
Partly cloudy. High chance of showers. The chance of a thunderstorm. Winds westerly 20 to 30 km/h turning northwesterly in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- Westerly 10 to 15 knots turning northwesterly in the late afternoon. Winds reaching up to 25 knots south of Cowell to Wallaroo in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A cold front with an embedded low pressure system lies west of Kangaroo Island. The low is expected to move north and over the Eyre Peninsula tomorrow, weakening as it moves into NSW on Tuesday. A weak ridge of high pressure begins to move across SA later in the week.
Tumby Bay Temperature Statistics View More
May Temperature
Port Lincoln Airport (32km)
Lowest 18 May, 2026
8.6 °CAverage May
15.4 °CHighest 1 May, 2026
30.6 °C
Climate (2021–Present)
Port Lincoln Airport (32km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C