Smith Island Weather Forecast

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Today 25 May Lower Eyre Peninsula

Partly cloudy. High chance of showers. The chance of a thunderstorm during the morning and afternoon. Winds south to southwesterly 20 to 30 km/h tending west to southwesterly 15 to 25 km/h in the early morning then tending south to southwesterly 20 to 30 km/h in the middle of the day. Daytime maximum temperatures around 18.

Central Coastal Waters

Wind
South to southeasterly 15 to 25 knots, reaching up to 30 knots early in the morning.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A cold front with an embedded low pressure system lies west of Kangaroo Island. The low is expected to move north and over the Eyre Peninsula today, weakening as it moves into NSW on Tuesday. A weak ridge of high pressure begins to move across SA later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Smith Island Temperature Statistics View More

May Temperature

Neptune Island (39km)

  • Lowest 3 May, 2026

    12.4 °C

  • Average May

    16.5 °C

  • Highest 1 May, 2026

    21.6 °C

Climate (2021–Present)

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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