Smith Island Weather Forecast
- 11
- 19
Sunny
- 12
- 21
Shower
- 11
- 17
Shower
- 12
- 18
Shower
- 11
- 20
Shower
- 12
- 17
Shower
- 10
- 17
Shower
Today 31 Aug Lower Eyre Peninsula
Patchy morning fog. Sunny afternoon. Light winds becoming northerly 15 to 20 km/h in the late evening. Daytime maximum temperatures in the low 20s.
Central Coastal Waters
- Wind
- East to northeasterly 10 to 15 knots tending north to northeasterly during the morning.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Sunny.
- Weather Situation
- A high pressure system southeast of SA continues extending a ridge across the state, as it moves over Victoria and into the Tasman Sea by late Monday. A cold front is then forecast to move across the state on Tuesday, as another ridge and high push in behind the front on Wednesday. Another cold front may slip across the southeast parts of SA early Thursday, with the high moving over eastern SA.
Smith Island Temperature Statistics View More
August Temperature
Neptune Island (39km)
Lowest 4 August, 2026
10.4 °CAverage August
14 °CHighest 27 August, 2026
18.3 °C
Climate (2021–2026)
Neptune Island (39km)
Average Low 2021–2026
14.3 °CAverage 2021–2026
16.2 °CAverage High 2021–2026
18.8 °C