Port Arthur Weather Forecast

    • 13
    • 23

    Partly cloudy

    • 13
    • 18

    Rain

    • 8
    • 18

    Partly cloudy

    • 10
    • 19

    Shower

    • 13
    • 19

    Shower

    • 12
    • 18

    Shower

    • 9
    • 16

    Shower

Today 12 Jun Yorke Peninsula

Partly cloudy. Slight chance of a shower, most likely later tonight. Winds northerly 30 to 45 km/h. Daytime maximum temperatures in the low 20s.

Gulf St Vincent Coastal Waters

Wind
Northeasterly 10 to 15 knots turning northerly 15 to 25 knots in the early morning. Winds reaching up to 30 knots during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
South to southwesterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system in the Tasman Sea maintains a ridge over SA. A cold front will move across the Bight on Friday with a weak high pressure system developing over southern Australia over the weekend. A trough of low pressure moves into the far west on Monday as an associated low pressure system moves into the Bight.
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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

    12.7 °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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