Smith Island Weather Forecast
- 12
- 18
Partly cloudy
- 11
- 18
Shower
- 12
- 19
Partly cloudy
- 12
- 20
Partly cloudy
- 13
- 21
Shower
- 15
- 22
Shower
- 14
- 23
Partly cloudy
Today 25 Oct Lower Eyre Peninsula
Medium chance of showers this morning. Mostly sunny afternoon. Winds southwesterly 20 to 30 km/h becoming light in the late evening. Daytime maximum temperatures around 19.
Central Coastal Waters
- Wind
- Southerly 15 to 20 knots tending southwesterly in the morning.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A trough and cold front continue moving across the far northeast on Sunday. A ridge of high pressure will move into the west late Sunday and persist over much of southern SA through to mid-next week, as the associated high slowly drifts east across waters to the south. A trough and low pressure system may then develop near the WA border from late Wednesday.
Smith Island Temperature Statistics View More
October Temperature
Neptune Island (39 km)
Lowest 2 October, 2026
12 °CAverage October
16 °CHighest 22 October, 2026
23.6 °C
Climate (2021–2026)
Neptune Island (39 km)
Average Low 2021–2026
14.4 °CAverage 2021–2026
16.2 °CAverage High 2021–2026
18.9 °C