Port Arthur Weather Forecast

    • 4
    • 14

    Cloudy

    • 6
    • 15

    Shower

    • 6
    • 16

    Shower

    • 5
    • 17

    Partly cloudy

    • 7
    • 15

    Shower

    • 6
    • 14

    Shower

    • 5
    • 14

    Cloudy

Today 24 Jul Yorke Peninsula

Cloudy. Winds westerly 15 to 20 km/h. Daytime maximum temperatures around 14.

Gulf St Vincent Coastal Waters

Wind
Westerly about 10 knots increasing to 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly below 0.5 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure is building over South Australia, with the associated high centre expected to lie over the Bight during Friday and Saturday. The high will move north over South Australia on Sunday, with a trough to build over the west of the State later Sunday ahead of a cold front to move over the Bight late Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

July Temperature

Kadina Airport (41km)

  • Lowest 17 July, 2026

    -1.5 °C

  • Average July

    10.1 °C

  • Highest 7 July, 2026

    18.4 °C

Climate (2021–2026)

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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