Spilsby Island Weather Forecast

    • 16
    • 17

    Cloudy

    • 15
    • 18

    Cloudy

    • 16
    • 20

    Sunny

    • 19
    • 22

    Sunny

    • 21
    • 22

    Sunny

    • 19
    • 20

    Partly cloudy

    • 18
    • 20

    Partly cloudy

Today 14 Dec Lower Eyre Peninsula

Partly cloudy. Winds southwesterly 15 to 25 km/h increasing to 25 to 35 km/h in the morning then turning southerly 25 to 40 km/h in the early afternoon. Overnight temperatures falling to between 9 and 13 with daytime temperatures reaching the low to mid 20s.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 25 knots turning southerly in the early afternoon. Winds reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres during the afternoon.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spilsby Island Temperature Statistics View More

December Temperature

Port Lincoln Airport (43km)

  • Lowest 7 December, 2025

    8.1 °C

  • Average December

    18.4 °C

  • Highest 3 December, 2025

    35.3 °C

Climate (2020–Present)

Port Lincoln Airport (43km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    21.3 °C
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