South Neptune Islands Weather Forecast

    • 13
    • 15

    Partly cloudy

    • 15
    • 17

    Partly cloudy

    • 15
    • 15

    Windy

    • 13
    • 14

    Shower

    • 14
    • 14

    Shower

    • 14
    • 14

    Cloudy

    • 14
    • 14

    Cloudy

Today 17 Sep Lower Eyre Peninsula

Partly cloudy. Slight chance of a shower in the morning and afternoon. Winds westerly 15 to 20 km/h tending northwesterly 15 to 25 km/h in the early morning then becoming light in the evening. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching around 18.

Central Coastal Waters

Wind
Westerly 10 to 15 knots turning north to northwesterly in the late morning and afternoon. Winds reaching up to 20 knots in the west during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the west during the afternoon.
1st Swell
Southwesterly 3 to 5 metres, decreasing to 3 metres later in the evening.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge will move in from the west and quickly tracks eastwards during the day with a weak trough sweeping across the coasts on Thursday. A cold front will skim southern coasts on Friday with a southwesterly airstream establishing in its wake on Saturday as a high pressure ridge develops over the Far West Coast and persists during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Neptune Islands Temperature Statistics View More

September Temperature

Cape Borda (64km)

  • Lowest 5 September, 2025

    6.6 °C

  • Average September

    12.8 °C

  • Highest 6 September, 2025

    22.2 °C

Climate (2020–Present)

Cape Borda (64km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    14.9 °C

  • Average High 2020–2025

    18.9 °C
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