Port Arthur Weather Forecast

    • 16
    • 29

    Cloudy

    • 16
    • 30

    Partly cloudy

    • 18
    • 36

    Partly cloudy

    • 16
    • 24

    Partly cloudy

    • 11
    • 26

    Partly cloudy

    • 13
    • 23

    Cloudy

    • 11
    • 30

    Sunny

Today 10 Dec Yorke Peninsula

Partly cloudy. Medium chance of showers in the south in the morning. Near zero chance of rain elsewhere. Winds southeasterly 25 to 35 km/h. Overnight temperatures falling to between 13 and 16 with daytime temperatures reaching 25 to 34.

Gulf St Vincent Coastal Waters

Wind
South to southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon, then increasing to 1 to 1.5 metres by early evening.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

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Port Arthur Temperature Statistics View More

December Temperature

Kadina Airport (41km)

  • Lowest 8 December, 2025

    7 °C

  • Average December

    19.1 °C

  • Highest 4 December, 2025

    37.5 °C

Climate (2020–Present)

Kadina Airport (41km)

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  • Average Low 2020–2025

    10 °C

  • Average 2020–2025

    16.3 °C

  • Average High 2020–2025

    23.3 °C
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