Spilsby Island Weather Forecast

    • 16
    • 18

    Windy

    • 17
    • 20

    Partly cloudy

    • 17
    • 20

    Partly cloudy

    • 18
    • 18

    Partly cloudy

    • 17
    • 19

    Partly cloudy

    • 18
    • 20

    Sunny

    • 20
    • 22

    Sunny

Today 31 Dec Lower Eyre Peninsula

Partly cloudy. Winds southeasterly 25 to 35 km/h. Overnight temperatures falling to around 12 with daytime temperatures reaching the low to mid 20s.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 15 to 25 knots, reaching up to 30 knots early in the morning and again in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the morning.
Weather
Cloud clearing.
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

    18.9 °C
  • Highest 18 December, 2025

    42.7 °C

Climate (2020–Present)

Port Lincoln Airport (43km)

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  • Average Low 2020–2025

    11.4 °C
  • Average 2020–2025

    15.8 °C
  • Average High 2020–2025

    21.3 °C
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