Tumby Island Weather Forecast
- 16
- 34
Windy
- 15
- 21
Windy
- 13
- 21
Windy
- 13
- 23
Partly cloudy
- 14
- 28
Partly cloudy
- 15
- 26
Cloudy
- 14
- 25
Partly cloudy
Today 29 Dec Lower Eyre Peninsula
Partly cloudy. Winds southerly 25 to 40 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A trough over central coasts will move down southern coasts during Monday evening. Behind this trough a weak ridge of high pressure will develop south of the Bight, persisting into Friday.
Tumby Island Temperature Statistics View More
December Temperature
Port Lincoln Airport (31km)
Lowest 7 December, 2025
8.1 °CAverage December
18.6 °CHighest 18 December, 2025
42.7 °C
Climate (2020–Present)
Port Lincoln Airport (31km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.8 °CAverage High 2020–2025
21.3 °C