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.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Smith Island Temperature Statistics View More

August Temperature

Neptune Island (39km)

  • Lowest 4 August, 2026

    10.4 °C
  • Average August

    14 °C
  • Highest 27 August, 2026

    18.3 °C

Climate (2021–2026)

Neptune Island (39km)

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  • Average Low 2021–2026

    14.3 °C
  • Average 2021–2026

    16.2 °C
  • Average High 2021–2026

    18.8 °C
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