Tumby Island Weather Forecast
- 9
- 18
Partly cloudy
- 9
- 16
Shower
- 10
- 16
Cloudy
- 8
- 17
Cloudy
- 4
- 19
Partly cloudy
- 8
- 18
Shower
- 9
- 19
Cloudy
Today 16 May Lower Eyre Peninsula
Partly cloudy. Slight chance of a shower. Winds southwesterly 15 to 20 km/h becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A high pressure system centred south of WA extends a ridge over the western coasts of SA. A cold front approaching from the southwest will clip southern coasts of SA late Friday or early Saturday. The high pressure system will then move slowly eastwards to be centred south of the Bight on Saturday, south of Kangaroo Island on Sunday then over eastern Victoria late Monday. A cold front will move over the south of SA on Tuesday then another high will move across the Bight mid to late next week.
Tumby Island Temperature Statistics View More
May Temperature
Port Lincoln Airport (31km)
Lowest 10 May, 2025
5.6 °CAverage May
15.8 °CHighest 5 May, 2025
28.6 °C
Climate (2020–Present)
Port Lincoln Airport (31km)
Average Low 2020–2025
11.3 °CAverage 2020–2025
15.7 °CAverage High 2020–2025
21.2 °C