South Neptune Islands Weather Forecast

    • 17
    • 21

    Partly cloudy

    • 20
    • 20

    Partly cloudy

    • 20
    • 20

    Shower

    • 17
    • 18

    Shower

    • 17
    • 18

    Partly cloudy

    • 17
    • 19

    Partly cloudy

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    Partly cloudy

Today 23 Apr Lower Eyre Peninsula

Mostly sunny. Winds north to northeasterly 15 to 25 km/h. Daytime maximum temperatures in the low 30s.

Central Coastal Waters

Wind
North to northeasterly 15 to 20 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Mostly sunny.
Weather Situation
A strong high pressure system east of Tasmania will maintain a ridge over SA this week. A cold front will pass over the south on Saturday, weakening and clearing in the east early Sunday. A new high pressure system will develop in the Bight on Sunday, slowly drifting to the southeast on Monday while continuing to extend a ridge over SA.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Neptune Islands Temperature Statistics View More

April Temperature

Neptune Island (1km)

  • Lowest 11 April, 2026

    12.4 °C

  • Average April

    17.4 °C

  • Highest 21 April, 2026

    24.9 °C

Climate (2021–Present)

Neptune Island (1km)

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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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