Tumby Bay Weather Forecast
- 6
- 18
Shower
- 8
- 18
Shower
- 10
- 19
Partly cloudy
- 12
- 22
Partly cloudy
- 15
- 24
Shower
- 14
- 23
Cloudy
- 12
- 25
Shower
Today 26 Oct Lower Eyre Peninsula
Partly cloudy. Slight chance of a shower, most likely in the late morning and afternoon. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then tending southeast to southwesterly in the late afternoon. Daytime maximum temperatures around 19.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the early afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure moves into western SA and will persist over most the state, as the associated high drifts east across waters to the south, clearing east of Australia from Thursday. A trough and low pressure system are then forecast to track into western SA on Thursday before crossing the rest of the state on Friday.
Tumby Bay Temperature Statistics View More
October Temperature
Port Lincoln Airport (32 km)
Lowest 22 October, 2026
7.3 °CAverage October
16 °CHighest 8 October, 2026
32.1 °C
Climate (2021–2026)
Port Lincoln Airport (32 km)
Average Low 2021–2026
11.6 °CAverage 2021–2026
15.9 °CAverage High 2021–2026
21.4 °C