Port Arthur Weather Forecast

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    • 17

    Partly cloudy

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    • 18

    Partly cloudy

    • 8
    • 18

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 9
    • 19

    Partly cloudy

    • 12
    • 19

    Shower

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    • 19

    Partly cloudy

Today 5 Jun Yorke Peninsula

Partly cloudy. Medium chance of showers, most likely this afternoon. Winds west to southwesterly 15 to 20 km/h becoming light in the early morning then becoming westerly 15 to 25 km/h in the morning. Daytime maximum temperatures around 17.

Gulf St Vincent Coastal Waters

Wind
Southwesterly 10 to 15 knots turning westerly during the morning.
Seas
Around 1 metre.
1st Swell
Southeast to southwesterly below 0.5 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A broad southwesterly flow over SA waters will tend west to northwesterly as a high pressure system over southern WA moves steadily eastwards across northern SA on Friday and Saturday, reaching NSW on Sunday and the Tasman Sea by Monday. Northerly winds freshen from the west on Tuesday ahead of a mid-week southwesterly change.
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  • Temperature Forecast Bureau of Meteorology

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Port Arthur Temperature Statistics View More

June Temperature

Kadina Airport (41km)

  • Lowest 4 June, 2026

    8.8 °C

  • Average June

    14.3 °C

  • Highest 1 June, 2026

    20.6 °C

Climate (2021–Present)

Kadina Airport (41km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.5 °C
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