Third Creek Entrance Weather Forecast

    • 11
    • 29

    Sunny

    • 13
    • 32

    Sunny

    • 16
    • 37

    Sunny

    • 19
    • 42

    Mostly sunny

    • 23
    • 38

    Mostly sunny

    • 19
    • 33

    Mostly sunny

    • 20
    • 31

    Partly cloudy

Today 15 Dec Mid North

Mostly sunny. Winds south to southeasterly 25 to 35 km/h. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching the mid to high 20s.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 15 to 20 knots, reaching up to 30 knots north of Cowell to Wallaroo in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Cloud clearing.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Creek Entrance Temperature Statistics View More

December Temperature

Whyalla Airport (39km)

  • Lowest 2 December, 2025

    10.2 °C

  • Average December

    21.8 °C

  • Highest 4 December, 2025

    40.7 °C

Climate (2020–Present)

Whyalla Airport (39km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    23.7 °C
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