Port Arthur Weather Forecast

    • 15
    • 21

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 13
    • 27

    Sunny

    • 16
    • 30

    Partly cloudy

    • 18
    • 24

    Shower

    • 17
    • 25

    Shower

    • 16
    • 28

    Partly cloudy

Today 12 Mar Yorke Peninsula

Cloudy. Winds south to southeasterly 25 to 35 km/h. Daytime maximum temperatures in the low 20s.

Gulf St Vincent Coastal Waters

Wind
Southerly 20 to 25 knots turning southeasterly in the evening.
Seas
1.5 to 2 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure extends from a high south of Perth, across waters well south of SA. The high slowly moves eastwards to be centred well south of the Bight by late Friday and over the Tasman Sea by Saturday afternoon, with further high pressure systems building well south of the Bight. A trough over inland WA is expected to move across western SA over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

March Temperature

Kadina Airport (41km)

  • Lowest 10 March, 2026

    10.5 °C

  • Average March

    19.7 °C

  • Highest 10 March, 2026

    33.5 °C

Climate (2021–Present)

Kadina Airport (41km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.5 °C
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