Port Arthur Weather Forecast

    • 10
    • 16

    Shower

    • 8
    • 15

    Shower

    • 7
    • 15

    Partly cloudy

    • 6
    • 16

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 8
    • 15

    Cloudy

    • 6
    • 14

    Partly cloudy

Today 19 Jun Yorke Peninsula

Cloudy. Very high chance of showers. Winds west to southwesterly 25 to 40 km/h tending south to southwesterly 15 to 20 km/h during the day. Daytime maximum temperatures around 16.

Gulf St Vincent Coastal Waters

Wind
West to southwesterly 15 to 25 knots, reaching up to 30 knots south of Port Vincent to Brighton early in the morning. Winds tending south to southwesterly 10 to 15 knots during the day.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy. 95% chance of showers.
Weather Situation
A low pressure system south of the Bight will drift to the south east while a trough extends across western coasts. This trough will linger along the coastline into Friday, developing into the cold front that will clear into the east early Saturday. A high pressure system will begin to move in from the west on Saturday, cross the Bight, slowly drifting to eastern SA by Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

June Temperature

Kadina Airport (41km)

  • Lowest 7 June, 2026

    4.5 °C

  • Average June

    13.6 °C

  • Highest 11 June, 2026

    20.9 °C

Climate (2021–2026)

Kadina Airport (41km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.5 °C
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