South Neptune Islands Weather Forecast

    • 20
    • 21

    Sunny

    • 17
    • 17

    Cloudy

    • 15
    • 17

    Shower

    • 16
    • 17

    Shower

    • 16
    • 17

    Cloudy

    • 16
    • 16

    Cloudy

    • 16
    • 17

    Cloudy

Today 18 Dec Lower Eyre Peninsula

Sunny. Winds north to northwesterly 20 to 30 km/h increasing to 35 km/h before shifting south to southeasterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures 38 to 43.

Extreme Fire Danger Rating

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Central Coastal Waters

Wind
West to northwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming southerly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A ridge of high pressure extends across most of SA, as a trough of low pressure develops over the west today. This broad area of low pressure is expected to slowly move across the state from the west during Friday and Saturday, before another ridge of high pressure develops through the west and south on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Neptune Islands Temperature Statistics View More

December Temperature

Stenhouse Bay (75km)

  • Lowest 3 December, 2025

    9.1 °C

  • Average December

    18.1 °C

  • Highest 3 December, 2025

    33.4 °C

Climate (2020–Present)

Stenhouse Bay (75km)

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  • Average Low 2020–2025

    13.1 °C

  • Average 2020–2025

    16 °C

  • Average High 2020–2025

    20.4 °C
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